102102011988 has 48 divisors (see below), whose sum is σ = 239496069120. Its totient is φ = 33854527584.

The previous prime is 102102011987. The next prime is 102102011989. The reversal of 102102011988 is 889110201201.

It is an interprime number because it is at equal distance from previous prime (102102011987) and next prime (102102011989).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102011987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3515181 + ... + 3544107.

It is an arithmetic number, because the mean of its divisors is an integer number (4989501440).

Almost surely, 2^102102011988 is an apocalyptic number.

It is an amenable number.

102102011988 is an abundant number, since it is smaller than the sum of its proper divisors (137394057132).

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

102102011988 is a wasteful number, since it uses less digits than its factorization.

102102011988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30476 (or 30474 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 33.

The spelling of 102102011988 in words is "one hundred two billion, one hundred two million, eleven thousand, nine hundred eighty-eight".