121335756227 has 12 divisors (see below), whose sum is σ = 148574396520. Its totient is φ = 98528282496.

The previous prime is 121335756193. The next prime is 121335756229. The reversal of 121335756227 is 722657533121.

It is not a de Polignac number, because 121335756227 - 2⁶ = 121335756163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121335756229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65163278 + ... + 65165139.

It is an arithmetic number, because the mean of its divisors is an integer number (12381199710).

Almost surely, 2^121335756227 is an apocalyptic number.

121335756227 is a deficient number, since it is larger than the sum of its proper divisors (27238640293).

121335756227 is a wasteful number, since it uses less digits than its factorization.

121335756227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130328450 (or 130328443 counting only the distinct ones).

The product of its digits is 529200, while the sum is 44.

The spelling of 121335756227 in words is "one hundred twenty-one billion, three hundred thirty-five million, seven hundred fifty-six thousand, two hundred twenty-seven".