10021110120120 has 128 divisors (see below), whose sum is σ = 32940838736640. Its totient is φ = 2418657930240.

The previous prime is 10021110120103. The next prime is 10021110120139. The reversal of 10021110120120 is 2102101112001.

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 = 10021110120096 and 10021110120105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16422277 + ... + 17021556.

It is an arithmetic number, because the mean of its divisors is an integer number (257350302630).

Almost surely, 2^{10021110120120} is an apocalyptic number.

10021110120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021110120120 is an abundant number, since it is smaller than the sum of its proper divisors (22919728616520).

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

10021110120120 is a wasteful number, since it uses less digits than its factorization.

10021110120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33444085 (or 33444081 counting only the distinct ones).

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

Adding to 10021110120120 its reverse (2102101112001), we get a palindrome (12123211232121).

The spelling of 10021110120120 in words is "ten trillion, twenty-one billion, one hundred ten million, one hundred twenty thousand, one hundred twenty".