100231023212100 has 648 divisors, whose sum is σ = 358063953356928. Its totient is φ = 23240712844800.

The previous prime is 100231023212077. The next prime is 100231023212191. The reversal of 100231023212100 is 1212320132001.

100231023212100 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 310 + 232 + 121 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1275050997 + ... + 1275129603.

Almost surely, 2^{100231023212100} is an apocalyptic number.

100231023212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100231023212100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179031976678464).

100231023212100 is an abundant number, since it is smaller than the sum of its proper divisors (257832930144828).

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

100231023212100 is a wasteful number, since it uses less digits than its factorization.

100231023212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78793 (or 78724 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 100231023212100 its reverse (1212320132001), we get a palindrome (101443343344101).

The spelling of 100231023212100 in words is "one hundred trillion, two hundred thirty-one billion, twenty-three million, two hundred twelve thousand, one hundred".