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2111120022 = 231131986667
BaseRepresentation
bin111110111010101…
…0010001010010110
312110010110000020110
41331311102022112
513310421320042
6545252343450
7103213136604
oct17565221226
95403400213
102111120022
119937437a0
124ab014b86
132784b245b
14160542874
15c551209c
hex7dd52296

2111120022 has 16 divisors (see below), whose sum is σ = 4606080192. Its totient is φ = 639733320.

The previous prime is 2111120003. The next prime is 2111120029. The reversal of 2111120022 is 2200211112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111120029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15993268 + ... + 15993399.

It is an arithmetic number, because the mean of its divisors is an integer number (287880012).

Almost surely, 22111120022 is an apocalyptic number.

2111120022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2111120022 is an abundant number, since it is smaller than the sum of its proper divisors (2494960170).

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

2111120022 is a wasteful number, since it uses less digits than its factorization.

2111120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31986683.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2111120022 is about 45946.9261431056. The cubic root of 2111120022 is about 1282.8355153476.

Adding to 2111120022 its reverse (2200211112), we get a palindrome (4311331134).

The spelling of 2111120022 in words is "two billion, one hundred eleven million, one hundred twenty thousand, twenty-two".

Divisors: 1 2 3 6 11 22 33 66 31986667 63973334 95960001 191920002 351853337 703706674 1055560011 2111120022