120021331001 has 32 divisors (see below), whose sum is σ = 141566600448. Its totient is φ = 100316240640.

The previous prime is 120021330971. The next prime is 120021331019. The reversal of 120021331001 is 100133120021.

It is not a de Polignac number, because 120021331001 - 2¹⁰ = 120021329977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120021331051) 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, 57507980 + ... + 57510066.

It is an arithmetic number, because the mean of its divisors is an integer number (4423956264).

Almost surely, 2^120021331001 is an apocalyptic number.

120021331001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120021331001 is a deficient number, since it is larger than the sum of its proper divisors (21545269447).

120021331001 is a wasteful number, since it uses less digits than its factorization.

120021331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 120021331001 its reverse (100133120021), we get a palindrome (220154451022).

The spelling of 120021331001 in words is "one hundred twenty billion, twenty-one million, three hundred thirty-one thousand, one".