101988529902 has 24 divisors (see below), whose sum is σ = 252543026736. Its totient is φ = 29139579936.

The previous prime is 101988529901. The next prime is 101988529933. The reversal of 101988529902 is 209925889101.

101988529902 is a `hidden beast` number, since 10 + 19 + 8 + 8 + 529 + 90 + 2 = 666.

It is a super-2 number, since 2×101988529902² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101988529901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404716263 + ... + 404716514.

It is an arithmetic number, because the mean of its divisors is an integer number (10522626114).

Almost surely, 2^101988529902 is an apocalyptic number.

101988529902 is an abundant number, since it is smaller than the sum of its proper divisors (150554496834).

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

101988529902 is a wasteful number, since it uses less digits than its factorization.

101988529902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809432792 (or 809432789 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The spelling of 101988529902 in words is "one hundred one billion, nine hundred eighty-eight million, five hundred twenty-nine thousand, nine hundred two".