10021021112120 has 64 divisors (see below), whose sum is σ = 23005967185440. Its totient is φ = 3927086092800.

The previous prime is 10021021112107. The next prime is 10021021112129. The reversal of 10021021112120 is 2121112012001.

It is a super-2 number, since 2×10021021112120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021021112095 and 10021021112104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021021112129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1955411 + ... + 4885250.

Almost surely, 2^{10021021112120} is an apocalyptic number.

10021021112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021021112120 is an abundant number, since it is smaller than the sum of its proper divisors (12984946073320).

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

10021021112120 is a wasteful number, since it uses less digits than its factorization.

10021021112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841416 (or 6841412 counting only the distinct ones).

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

Adding to 10021021112120 its reverse (2121112012001), we get a palindrome (12142133124121).

The spelling of 10021021112120 in words is "ten trillion, twenty-one billion, twenty-one million, one hundred twelve thousand, one hundred twenty".