120121102211021 has 8 divisors (see below), whose sum is σ = 120366091288800. Its totient is φ = 119876335955280.

The previous prime is 120121102210951. The next prime is 120121102211041. The reversal of 120121102211021 is 120112201121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120121102211021 - 2³⁸ = 119846224304077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121102211041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54626210 + ... + 56782611.

It is an arithmetic number, because the mean of its divisors is an integer number (15045761411100).

Almost surely, 2^{120121102211021} is an apocalyptic number.

It is an amenable number.

120121102211021 is a deficient number, since it is larger than the sum of its proper divisors (244989077779).

120121102211021 is a wasteful number, since it uses less digits than its factorization.

120121102211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111411019.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120121102211021 its reverse (120112201121021), we get a palindrome (240233303332042).

The spelling of 120121102211021 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred two million, two hundred eleven thousand, twenty-one".