120010202121021 has 64 divisors (see below), whose sum is σ = 171089377873920. Its totient is φ = 74645505285120.

The previous prime is 120010202121013. The next prime is 120010202121023. The reversal of 120010202121021 is 120121202010021.

It is not a de Polignac number, because 120010202121021 - 2³ = 120010202121013 is a prime.

It is a super-2 number, since 2×120010202121021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120010202121023) 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, 7460065440 + ... + 7460081526.

It is an arithmetic number, because the mean of its divisors is an integer number (2673271529280).

Almost surely, 2^{120010202121021} is an apocalyptic number.

It is an amenable number.

120010202121021 is a deficient number, since it is larger than the sum of its proper divisors (51079175752899).

120010202121021 is a wasteful number, since it uses less digits than its factorization.

120010202121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19466.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120010202121021 its reverse (120121202010021), we get a palindrome (240131404131042).

The spelling of 120010202121021 in words is "one hundred twenty trillion, ten billion, two hundred two million, one hundred twenty-one thousand, twenty-one".