120122212022121 has 16 divisors (see below), whose sum is σ = 167207332544640. Its totient is φ = 76562648785920.

The previous prime is 120122212022107. The next prime is 120122212022179. The reversal of 120122212022121 is 121220212221021.

It is not a de Polignac number, because 120122212022121 - 2¹³ = 120122212013929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120122212024121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420568120 + ... + 420853641.

It is an arithmetic number, because the mean of its divisors is an integer number (10450458284040).

Almost surely, 2^{120122212022121} is an apocalyptic number.

It is an amenable number.

120122212022121 is a deficient number, since it is larger than the sum of its proper divisors (47085120522519).

120122212022121 is a wasteful number, since it uses less digits than its factorization.

120122212022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841423856.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 120122212022121 its reverse (121220212221021), we get a palindrome (241342424243142).

The spelling of 120122212022121 in words is "one hundred twenty trillion, one hundred twenty-two billion, two hundred twelve million, twenty-two thousand, one hundred twenty-one".