100231142102120 has 32 divisors (see below), whose sum is σ = 225524171250720. Its totient is φ = 40091727681600.

The previous prime is 100231142102111. The next prime is 100231142102153. The reversal of 100231142102120 is 21201241132001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 100231142102092 and 100231142102101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20556662 + ... + 24960741.

It is an arithmetic number, because the mean of its divisors is an integer number (7047630351585).

Almost surely, 2^{100231142102120} is an apocalyptic number.

100231142102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100231142102120 is an abundant number, since it is smaller than the sum of its proper divisors (125293029148600).

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

100231142102120 is a wasteful number, since it uses less digits than its factorization.

100231142102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45572465 (or 45572461 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 100231142102120 its reverse (21201241132001), we get a palindrome (121432383234121).

The spelling of 100231142102120 in words is "one hundred trillion, two hundred thirty-one billion, one hundred forty-two million, one hundred two thousand, one hundred twenty".