120121120010121 has 64 divisors (see below), whose sum is σ = 174298150440960. Its totient is φ = 73334973888000.

The previous prime is 120121120010093. The next prime is 120121120010189. The reversal of 120121120010121 is 121010021121021.

It is a happy number.

It is not a de Polignac number, because 120121120010121 - 2⁶ = 120121120010057 is a prime.

It is a super-2 number, since 2×120121120010121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120121120010121.

It is not an unprimeable number, because it can be changed into a prime (120121120010321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114108246 + ... + 115156128.

It is an arithmetic number, because the mean of its divisors is an integer number (2723408600640).

Almost surely, 2^{120121120010121} is an apocalyptic number.

It is an amenable number.

120121120010121 is a deficient number, since it is larger than the sum of its proper divisors (54177030430839).

120121120010121 is a wasteful number, since it uses less digits than its factorization.

120121120010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048398.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120121120010121 its reverse (121010021121021), we get a palindrome (241131141131142).

The spelling of 120121120010121 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred twenty million, ten thousand, one hundred twenty-one".