120231132021 has 96 divisors (see below), whose sum is σ = 233547245568. Its totient is φ = 57561390720.

The previous prime is 120231132017. The next prime is 120231132037.

120231132021 is a `hidden beast` number, since 12 + 0 + 2 + 311 + 320 + 21 = 666.

120231132021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 120231132021 - 2² = 120231132017 is a prime.

It is a super-2 number, since 2×120231132021² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120231131985 and 120231132003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120231132011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5818510 + ... + 5839136.

It is an arithmetic number, because the mean of its divisors is an integer number (2432783808).

Almost surely, 2^120231132021 is an apocalyptic number.

120231132021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120231132021 is a deficient number, since it is larger than the sum of its proper divisors (113316113547).

120231132021 is a wasteful number, since it uses less digits than its factorization.

120231132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21311 (or 21308 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

It can be divided in two parts, 120231 and 132021, that added together give a palindrome (252252).

The spelling of 120231132021 in words is "one hundred twenty billion, two hundred thirty-one million, one hundred thirty-two thousand, twenty-one".