100561050100 has 72 divisors (see below), whose sum is σ = 250318978560. Its totient is φ = 34349838720.

The previous prime is 100561050091. The next prime is 100561050119. The reversal of 100561050100 is 1050165001.

It is a super-2 number, since 2×100561050100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78724 + ... + 455323.

It is an arithmetic number, because the mean of its divisors is an integer number (3476652480).

Almost surely, 2^100561050100 is an apocalyptic number.

100561050100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100561050100 is an abundant number, since it is smaller than the sum of its proper divisors (149757928460).

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

100561050100 is a wasteful number, since it uses less digits than its factorization.

100561050100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534337 (or 534330 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The spelling of 100561050100 in words is "one hundred billion, five hundred sixty-one million, fifty thousand, one hundred".