99101122788 has 24 divisors (see below), whose sum is σ = 237485574592. Its totient is φ = 32140904544.

The previous prime is 99101122763. The next prime is 99101122789. The reversal of 99101122788 is 88722110199.

It is not an unprimeable number, because it can be changed into a prime (99101122789) 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, 111599920 + ... + 111600807.

Almost surely, 2^99101122788 is an apocalyptic number.

It is an amenable number.

99101122788 is an abundant number, since it is smaller than the sum of its proper divisors (138384451804).

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

99101122788 is a wasteful number, since it uses less digits than its factorization.

99101122788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223200771 (or 223200769 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 48.

The spelling of 99101122788 in words is "ninety-nine billion, one hundred one million, one hundred twenty-two thousand, seven hundred eighty-eight".