121002221111002 has 96 divisors (see below), whose sum is σ = 239872356720000. Its totient is φ = 45212584717440.

The previous prime is 121002221110997. The next prime is 121002221111027. The reversal of 121002221111002 is 200111122200121.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8330502 + ... + 17646577.

It is an arithmetic number, because the mean of its divisors is an integer number (2498670382500).

Almost surely, 2^{121002221111002} is an apocalyptic number.

121002221111002 is a deficient number, since it is larger than the sum of its proper divisors (118870135608998).

121002221111002 is a wasteful number, since it uses less digits than its factorization.

121002221111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25977284 (or 25977277 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121002221111002 its reverse (200111122200121), we get a palindrome (321113343311123).

The spelling of 121002221111002 in words is "one hundred twenty-one trillion, two billion, two hundred twenty-one million, one hundred eleven thousand, two".