100102221112020 has 48 divisors (see below), whose sum is σ = 287861522339328. Its totient is φ = 25972468179840.

The previous prime is 100102221112007. The next prime is 100102221112027. The reversal of 100102221112020 is 20211122201001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102221112027) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22545543076 + ... + 22545547515.

It is an arithmetic number, because the mean of its divisors is an integer number (5997115048736).

Almost surely, 2^{100102221112020} is an apocalyptic number.

100102221112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100102221112020 is an abundant number, since it is smaller than the sum of its proper divisors (187759301227308).

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

100102221112020 is a wasteful number, since it uses less digits than its factorization.

100102221112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45091090640 (or 45091090638 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100102221112020 its reverse (20211122201001), we get a palindrome (120313343313021).

It can be divided in two parts, 100102 and 221112020, that added together give a palindrome (221212122).

The spelling of 100102221112020 in words is "one hundred trillion, one hundred two billion, two hundred twenty-one million, one hundred twelve thousand, twenty".