102111010988 has 12 divisors (see below), whose sum is σ = 204222022032. Its totient is φ = 43761861840.

The previous prime is 102111010987. The next prime is 102111010999. The reversal of 102111010988 is 889010111201.

102111010988 is an admirable number.

It is a super-2 number, since 2×102111010988² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102111010987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1823410883 + ... + 1823410938.

It is an arithmetic number, because the mean of its divisors is an integer number (17018501836).

Almost surely, 2^102111010988 is an apocalyptic number.

It is an amenable number.

102111010988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102111010988 is a wasteful number, since it uses less digits than its factorization.

102111010988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646821832 (or 3646821830 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 32.

The spelling of 102111010988 in words is "one hundred two billion, one hundred eleven million, ten thousand, nine hundred eighty-eight".