121011882201 has 48 divisors (see below), whose sum is σ = 208631764800. Its totient is φ = 69121394496.

The previous prime is 121011882181. The next prime is 121011882239. The reversal of 121011882201 is 102288110121.

It is not a de Polignac number, because 121011882201 - 2³⁵ = 86652143833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121011882401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3466090 + ... + 3500828.

It is an arithmetic number, because the mean of its divisors is an integer number (4346495100).

Almost surely, 2^121011882201 is an apocalyptic number.

It is an amenable number.

121011882201 is a deficient number, since it is larger than the sum of its proper divisors (87619882599).

121011882201 is a wasteful number, since it uses less digits than its factorization.

121011882201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37395 (or 37382 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 27.

Adding to 121011882201 its reverse (102288110121), we get a palindrome (223299992322).

The spelling of 121011882201 in words is "one hundred twenty-one billion, eleven million, eight hundred eighty-two thousand, two hundred one".