120000010011021 has 32 divisors (see below), whose sum is σ = 203175227628800. Its totient is φ = 68571229259520.

The previous prime is 120000010010987. The next prime is 120000010011043. The reversal of 120000010011021 is 120110010000021.

It is a happy number.

120000010011021 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 120000010011021 - 2⁶ = 120000010010957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120000010010994 and 120000010011012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000010011071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81174201 + ... + 82639281.

It is an arithmetic number, because the mean of its divisors is an integer number (6349225863400).

Almost surely, 2^{120000010011021} is an apocalyptic number.

It is an amenable number.

120000010011021 is a deficient number, since it is larger than the sum of its proper divisors (83175217617779).

120000010011021 is a wasteful number, since it uses less digits than its factorization.

120000010011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898466 (or 1898460 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120000010011021 its reverse (120110010000021), we get a palindrome (240110020011042).

The spelling of 120000010011021 in words is "one hundred twenty trillion, ten million, eleven thousand, twenty-one".