10000120021112 has 32 divisors (see below), whose sum is σ = 20200617907680. Its totient is φ = 4613595926400.

The previous prime is 10000120021103. The next prime is 10000120021117. The reversal of 10000120021112 is 21112002100001.

It is a junction number, because it is equal to n+sod(n) for n = 10000120021093 and 10000120021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000120021117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18947639 + ... + 19468262.

It is an arithmetic number, because the mean of its divisors is an integer number (631269309615).

Almost surely, 2^{10000120021112} is an apocalyptic number.

It is an amenable number.

10000120021112 is an abundant number, since it is smaller than the sum of its proper divisors (10200497886568).

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

10000120021112 is a wasteful number, since it uses less digits than its factorization.

10000120021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38418423 (or 38418419 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10000120021112 its reverse (21112002100001), we get a palindrome (31112122121113).

The spelling of 10000120021112 in words is "ten trillion, one hundred twenty million, twenty-one thousand, one hundred twelve".