10010991100 has 36 divisors (see below), whose sum is σ = 23698748808. Its totient is φ = 3640360000.

The previous prime is 10010991097. The next prime is 10010991101. The reversal of 10010991100 is 119901001.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010991101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4549351 + ... + 4551550.

It is an arithmetic number, because the mean of its divisors is an integer number (658298578).

Almost surely, 2^10010991100 is an apocalyptic number.

10010991100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010991100 is an abundant number, since it is smaller than the sum of its proper divisors (13687757708).

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

10010991100 is a wasteful number, since it uses less digits than its factorization.

10010991100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100926 (or 9100919 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 10010991100 in words is "ten billion, ten million, nine hundred ninety-one thousand, one hundred".