100220101020100 has 36 divisors (see below), whose sum is σ = 217483831425168. Its totient is φ = 40086895300000.

The previous prime is 100220101020019. The next prime is 100220101020139. The reversal of 100220101020100 is 1020101022001.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 10791226 + ... + 17801425.

It is an arithmetic number, because the mean of its divisors is an integer number (6041217539588).

Almost surely, 2^{100220101020100} is an apocalyptic number.

100220101020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220101020100 is an abundant number, since it is smaller than the sum of its proper divisors (117263730405068).

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

100220101020100 is a wasteful number, since it uses less digits than its factorization.

100220101020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28627716 (or 28627709 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100220101020100 its reverse (1020101022001), we get a palindrome (101240202042101).

The spelling of 100220101020100 in words is "one hundred trillion, two hundred twenty billion, one hundred one million, twenty thousand, one hundred".