100101002220 has 72 divisors (see below), whose sum is σ = 303678516960. Its totient is φ = 26690188800.

The previous prime is 100101002189. The next prime is 100101002249. The reversal of 100101002220 is 22200101001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1580116 + ... + 1642244.

It is an arithmetic number, because the mean of its divisors is an integer number (4217757180).

Almost surely, 2^100101002220 is an apocalyptic number.

100101002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100101002220 is an abundant number, since it is smaller than the sum of its proper divisors (203577514740).

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

100101002220 is a wasteful number, since it uses less digits than its factorization.

100101002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71095 (or 71090 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100101002220 its reverse (22200101001), we get a palindrome (122301103221).

The spelling of 100101002220 in words is "one hundred billion, one hundred one million, two thousand, two hundred twenty".