120122212120121 has 16 divisors (see below), whose sum is σ = 126897572229120. Its totient is φ = 113528845881360.

The previous prime is 120122212120093. The next prime is 120122212120171. The reversal of 120122212120121 is 121021212221021.

It is a cyclic number.

It is not a de Polignac number, because 120122212120121 - 2³⁸ = 119847334213177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120122212120093 and 120122212120102.

It is not an unprimeable number, because it can be changed into a prime (120122212120171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4115426 + ... + 16036868.

It is an arithmetic number, because the mean of its divisors is an integer number (7931098264320).

Almost surely, 2^{120122212120121} is an apocalyptic number.

It is an amenable number.

120122212120121 is a deficient number, since it is larger than the sum of its proper divisors (6775360108999).

120122212120121 is a wasteful number, since it uses less digits than its factorization.

120122212120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11929076.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 120122212120121 its reverse (121021212221021), we get a palindrome (241143424341142).

The spelling of 120122212120121 in words is "one hundred twenty trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty-one".