121015052405224 has 8 divisors (see below), whose sum is σ = 226903223259810. Its totient is φ = 60507526202608.

The previous prime is 121015052405113. The next prime is 121015052405249. The reversal of 121015052405224 is 422504250510121.

It can be written as a sum of positive squares in only one way, i.e., 112943373660324 + 8071678744900 = 10627482^2 + 2841070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×121015052405224² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121015052405224.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7563440775319 + ... + 7563440775334.

Almost surely, 2^{121015052405224} is an apocalyptic number.

It is an amenable number.

121015052405224 is a deficient number, since it is larger than the sum of its proper divisors (105888170854586).

121015052405224 is a wasteful number, since it uses less digits than its factorization.

121015052405224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15126881550659 (or 15126881550655 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 121015052405224 in words is "one hundred twenty-one trillion, fifteen billion, fifty-two million, four hundred five thousand, two hundred twenty-four".