102100211988 has 48 divisors (see below), whose sum is σ = 243491524416. Its totient is φ = 33290425600.

The previous prime is 102100211981. The next prime is 102100211999. The reversal of 102100211988 is 889112001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100211981) 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, 406881 + ... + 608072.

It is an arithmetic number, because the mean of its divisors is an integer number (5072740092).

Almost surely, 2^102100211988 is an apocalyptic number.

It is an amenable number.

102100211988 is an abundant number, since it is smaller than the sum of its proper divisors (141391312428).

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

102100211988 is a wasteful number, since it uses less digits than its factorization.

102100211988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015144 (or 1015142 counting only the distinct ones).

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

The spelling of 102100211988 in words is "one hundred two billion, one hundred million, two hundred eleven thousand, nine hundred eighty-eight".