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2222110112112 = 24321117311265339
BaseRepresentation
bin100000010101100000000…
…101010111100101110000
321212102122200012121100200
4200111200011113211300
5242401340142041422
64420453455315200
7316353650210232
oct40254005274560
97772580177320
102222110112112
11787434256510
122ba7b021bb00
1313170c479907
147979d1b6252
153cc075812ac
hex20560157970

2222110112112 has 240 divisors, whose sum is σ = 7206362691840. Its totient is φ = 631716710400.

The previous prime is 2222110112107. The next prime is 2222110112147. The reversal of 2222110112112 is 2112110112222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8241939 + ... + 8507277.

It is an arithmetic number, because the mean of its divisors is an integer number (30026511216).

Almost surely, 22222110112112 is an apocalyptic number.

2222110112112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222110112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3603181345920).

2222110112112 is an abundant number, since it is smaller than the sum of its proper divisors (4984252579728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222110112112 is a wasteful number, since it uses less digits than its factorization.

2222110112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265692 (or 265683 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2222110112112 its reverse (2112110112222), we get a palindrome (4334220224334).

The spelling of 2222110112112 in words is "two trillion, two hundred twenty-two billion, one hundred ten million, one hundred twelve thousand, one hundred twelve".