121025214013 has 4 divisors (see below), whose sum is σ = 132027506208. Its totient is φ = 110022921820.

The previous prime is 121025213999. The next prime is 121025214017. The reversal of 121025214013 is 310412520121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121025214013 - 2³³ = 112435279421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121025214017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5501146081 + ... + 5501146102.

It is an arithmetic number, because the mean of its divisors is an integer number (33006876552).

Almost surely, 2^121025214013 is an apocalyptic number.

It is an amenable number.

121025214013 is a deficient number, since it is larger than the sum of its proper divisors (11002292195).

121025214013 is a wasteful number, since it uses less digits than its factorization.

121025214013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11002292194.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 121025214013 its reverse (310412520121), we get a palindrome (431437734134).

The spelling of 121025214013 in words is "one hundred twenty-one billion, twenty-five million, two hundred fourteen thousand, thirteen".