102022120944 has 80 divisors (see below), whose sum is σ = 310067252640. Its totient is φ = 32006937600.

The previous prime is 102022120943. The next prime is 102022121021. The reversal of 102022120944 is 449021220201.

It is a super-2 number, since 2×102022120944² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022120943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6938607 + ... + 6953294.

It is an arithmetic number, because the mean of its divisors is an integer number (3875840658).

Almost surely, 2^102022120944 is an apocalyptic number.

It is an amenable number.

102022120944 is an abundant number, since it is smaller than the sum of its proper divisors (208045131696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102022120944 is a wasteful number, since it uses less digits than its factorization.

102022120944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13891935 (or 13891923 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 102022120944 in words is "one hundred two billion, twenty-two million, one hundred twenty thousand, nine hundred forty-four".