120121125201 has 64 divisors (see below), whose sum is σ = 222090393600. Its totient is φ = 62338248000.

The previous prime is 120121125193. The next prime is 120121125203. The reversal of 120121125201 is 102521121021.

120121125201 is a `hidden beast` number, since 1 + 20 + 12 + 112 + 520 + 1 = 666.

It is not a de Polignac number, because 120121125201 - 2³ = 120121125193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120121125203) 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 63 ways as a sum of consecutive naturals, for example, 2090151 + ... + 2146851.

It is an arithmetic number, because the mean of its divisors is an integer number (3470162400).

Almost surely, 2^120121125201 is an apocalyptic number.

120121125201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120121125201 is a deficient number, since it is larger than the sum of its proper divisors (101969268399).

120121125201 is a wasteful number, since it uses less digits than its factorization.

120121125201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57747 (or 57741 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 120121125201 its reverse (102521121021), we get a palindrome (222642246222).

The spelling of 120121125201 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twenty-five thousand, two hundred one".