101210110220978 has 16 divisors (see below), whose sum is σ = 165711671311680. Its totient is φ = 45978171301200.

The previous prime is 101210110220977. The next prime is 101210110221043. The reversal of 101210110220978 is 879022011012101.

It is not an unprimeable number, because it can be changed into a prime (101210110220977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321173518 + ... + 1321250121.

It is an arithmetic number, because the mean of its divisors is an integer number (10356979456980).

Almost surely, 2^{101210110220978} is an apocalyptic number.

101210110220978 is a deficient number, since it is larger than the sum of its proper divisors (64501561090702).

101210110220978 is a wasteful number, since it uses less digits than its factorization.

101210110220978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642425393.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 101210110220978 in words is "one hundred one trillion, two hundred ten billion, one hundred ten million, two hundred twenty thousand, nine hundred seventy-eight".