120010220121 has 48 divisors (see below), whose sum is σ = 186323143104. Its totient is φ = 68420352000.

The previous prime is 120010220059. The next prime is 120010220123. The reversal of 120010220121 is 121022010021.

It is not a de Polignac number, because 120010220121 - 2²² = 120006025817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120010220097 and 120010220106.

It is not an unprimeable number, because it can be changed into a prime (120010220123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16849441 + ... + 16856561.

It is an arithmetic number, because the mean of its divisors is an integer number (3881732148).

Almost surely, 2^120010220121 is an apocalyptic number.

120010220121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120010220121 is a deficient number, since it is larger than the sum of its proper divisors (66312922983).

120010220121 is a wasteful number, since it uses less digits than its factorization.

120010220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9894 (or 9883 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120010220121 its reverse (121022010021), we get a palindrome (241032230142).

The spelling of 120010220121 in words is "one hundred twenty billion, ten million, two hundred twenty thousand, one hundred twenty-one".