120021122195 has 12 divisors (see below), whose sum is σ = 155956441536. Its totient is φ = 88630981920.

The previous prime is 120021122191. The next prime is 120021122197. The reversal of 120021122195 is 591221120021.

It is not a de Polignac number, because 120021122195 - 2² = 120021122191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120021122191) 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, 71017571 + ... + 71019260.

It is an arithmetic number, because the mean of its divisors is an integer number (12996370128).

Almost surely, 2^120021122195 is an apocalyptic number.

120021122195 is a deficient number, since it is larger than the sum of its proper divisors (35935319341).

120021122195 is a wasteful number, since it uses less digits than its factorization.

120021122195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142036862 (or 142036849 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 120021122195 in words is "one hundred twenty billion, twenty-one million, one hundred twenty-two thousand, one hundred ninety-five".