10112121001220 has 24 divisors (see below), whose sum is σ = 24269090403264. Its totient is φ = 3467012914656.

The previous prime is 10112121001139. The next prime is 10112121001247. The reversal of 10112121001220 is 2210012121101.

It is a super-2 number, since 2×10112121001220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 10112121001195 and 10112121001204.

It is an unprimeable number.

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, 36114717722 + ... + 36114718001.

It is an arithmetic number, because the mean of its divisors is an integer number (1011212100136).

Almost surely, 2^{10112121001220} is an apocalyptic number.

10112121001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112121001220 is an abundant number, since it is smaller than the sum of its proper divisors (14156969402044).

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

10112121001220 is a wasteful number, since it uses less digits than its factorization.

10112121001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72229435739 (or 72229435737 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10112121001220 its reverse (2210012121101), we get a palindrome (12322133122321).

The spelling of 10112121001220 in words is "ten trillion, one hundred twelve billion, one hundred twenty-one million, one thousand, two hundred twenty".