10100111012100 has 108 divisors (see below), whose sum is σ = 32513864980324. Its totient is φ = 2620569335040.

The previous prime is 10100111012087. The next prime is 10100111012141. The reversal of 10100111012100 is 121011100101.

It can be written as a sum of positive squares in 6 ways, for example, as 86227973316 + 10013883038784 = 293646^2 + 3164472^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 151620019 + ... + 151686618.

Almost surely, 2^{10100111012100} is an apocalyptic number.

10100111012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100111012100 is an abundant number, since it is smaller than the sum of its proper divisors (22413753968224).

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

10100111012100 is a wasteful number, since it uses less digits than its factorization.

10100111012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303306694 (or 303306684 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 10100111012100 its reverse (121011100101), we get a palindrome (10221122112201).

The spelling of 10100111012100 in words is "ten trillion, one hundred billion, one hundred eleven million, twelve thousand, one hundred".