101202121988 has 24 divisors (see below), whose sum is σ = 193344883200. Its totient is φ = 45967433120.

The previous prime is 101202121981. The next prime is 101202121991. The reversal of 101202121988 is 889121202101.

It is not an unprimeable number, because it can be changed into a prime (101202121981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777188 + ... + 898011.

It is an arithmetic number, because the mean of its divisors is an integer number (8056036800).

Almost surely, 2^101202121988 is an apocalyptic number.

It is an amenable number.

101202121988 is a deficient number, since it is larger than the sum of its proper divisors (92142761212).

101202121988 is a wasteful number, since it uses less digits than its factorization.

101202121988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676587 (or 1676585 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 35.

The spelling of 101202121988 in words is "one hundred one billion, two hundred two million, one hundred twenty-one thousand, nine hundred eighty-eight".