10101099990 has 32 divisors (see below), whose sum is σ = 24248296800. Its totient is φ = 2692998144.

The previous prime is 10101099989. The next prime is 10101100019. The reversal of 10101099990 is 9999010101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99462 + ... + 173478.

It is an arithmetic number, because the mean of its divisors is an integer number (757759275).

Almost surely, 2^10101099990 is an apocalyptic number.

10101099990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101099990 is an abundant number, since it is smaller than the sum of its proper divisors (14147196810).

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

10101099990 is a wasteful number, since it uses less digits than its factorization.

10101099990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78576.

The product of its (nonzero) digits is 6561, while the sum is 39.

The spelling of 10101099990 in words is "ten billion, one hundred one million, ninety-nine thousand, nine hundred ninety".