121625771201 has 32 divisors (see below), whose sum is σ = 144927636480. Its totient is φ = 100871870400.

The previous prime is 121625771173. The next prime is 121625771203. The reversal of 121625771201 is 102177526121.

It is a cyclic number.

It is not a de Polignac number, because 121625771201 - 2¹⁰ = 121625770177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121625771203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542771 + ... + 733383.

It is an arithmetic number, because the mean of its divisors is an integer number (4528988640).

Almost surely, 2^121625771201 is an apocalyptic number.

121625771201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121625771201 is a deficient number, since it is larger than the sum of its proper divisors (23301865279).

121625771201 is a wasteful number, since it uses less digits than its factorization.

121625771201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190757.

The product of its (nonzero) digits is 11760, while the sum is 35.

The spelling of 121625771201 in words is "one hundred twenty-one billion, six hundred twenty-five million, seven hundred seventy-one thousand, two hundred one".