100122310100 has 36 divisors (see below), whose sum is σ = 217282231068. Its totient is φ = 40045824000.

The previous prime is 100122310049. The next prime is 100122310139. The reversal of 100122310100 is 1013221001.

It can be written as a sum of positive squares in 6 ways, for example, as 57668180164 + 42454129936 = 240142^2 + 206044^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1607540 + ... + 1668660.

Almost surely, 2^100122310100 is an apocalyptic number.

100122310100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122310100 is an abundant number, since it is smaller than the sum of its proper divisors (117159920968).

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

100122310100 is a wasteful number, since it uses less digits than its factorization.

100122310100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77516 (or 77509 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100122310100 its reverse (1013221001), we get a palindrome (101135531101).

The spelling of 100122310100 in words is "one hundred billion, one hundred twenty-two million, three hundred ten thousand, one hundred".