3900021122122 has 16 divisors (see below), whose sum is σ = 5874184800000. Its totient is φ = 1941976106560.

The previous prime is 3900021122099. The next prime is 3900021122147. The reversal of 3900021122122 is 2212211200093.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3675247 + ... + 4616002.

It is an arithmetic number, because the mean of its divisors is an integer number (367136550000).

Almost surely, 2^{3900021122122} is an apocalyptic number.

3900021122122 is a deficient number, since it is larger than the sum of its proper divisors (1974163677878).

3900021122122 is a wasteful number, since it uses less digits than its factorization.

3900021122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8292221.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 3900021122122 in words is "three trillion, nine hundred billion, twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".