10020111012120 has 64 divisors (see below), whose sum is σ = 32793090589440. Its totient is φ = 2429117820800.

The previous prime is 10020111012091. The next prime is 10020111012137. The reversal of 10020111012120 is 2121011102001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10020111012096 and 10020111012105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3795495276 + ... + 3795497915.

It is an arithmetic number, because the mean of its divisors is an integer number (512392040460).

Almost surely, 2^{10020111012120} is an apocalyptic number.

10020111012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020111012120 is an abundant number, since it is smaller than the sum of its proper divisors (22772979577320).

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

10020111012120 is a wasteful number, since it uses less digits than its factorization.

10020111012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7590993216 (or 7590993212 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10020111012120 its reverse (2121011102001), we get a palindrome (12141122114121).

The spelling of 10020111012120 in words is "ten trillion, twenty billion, one hundred eleven million, twelve thousand, one hundred twenty".