10021121012120 has 64 divisors (see below), whose sum is σ = 22931128512000. Its totient is φ = 3940260304768.

The previous prime is 10021121012057. The next prime is 10021121012137. The reversal of 10021121012120 is 2121012112001.

10021121012120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10021121012095 and 10021121012104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39860171 + ... + 40110789.

It is an arithmetic number, because the mean of its divisors is an integer number (358298883000).

Almost surely, 2^{10021121012120} is an apocalyptic number.

10021121012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021121012120 is an abundant number, since it is smaller than the sum of its proper divisors (12910007499880).

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

10021121012120 is a wasteful number, since it uses less digits than its factorization.

10021121012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267632 (or 267628 counting only the distinct ones).

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

Adding to 10021121012120 its reverse (2121012112001), we get a palindrome (12142133124121).

The spelling of 10021121012120 in words is "ten trillion, twenty-one billion, one hundred twenty-one million, twelve thousand, one hundred twenty".