101022021982 has 24 divisors (see below), whose sum is σ = 176490611640. Its totient is φ = 43241733360.

The previous prime is 101022021973. The next prime is 101022022033. The reversal of 101022021982 is 289120220101.

It is a self number, because there is not a number n which added to its sum of digits gives 101022021982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556057 + ... + 715012.

It is an arithmetic number, because the mean of its divisors is an integer number (7353775485).

Almost surely, 2^101022021982 is an apocalyptic number.

101022021982 is a deficient number, since it is larger than the sum of its proper divisors (75468589658).

101022021982 is a wasteful number, since it uses less digits than its factorization.

101022021982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271896 (or 1271889 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 101022021982 in words is "one hundred one billion, twenty-two million, twenty-one thousand, nine hundred eighty-two".