100100220100 has 36 divisors (see below), whose sum is σ = 220899142800. Its totient is φ = 39361440160.

The previous prime is 100100220053. The next prime is 100100220137. The reversal of 100100220100 is 1022001001.

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, 8477170 + ... + 8488969.

It is an arithmetic number, because the mean of its divisors is an integer number (6136087300).

Almost surely, 2^100100220100 is an apocalyptic number.

100100220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100220100 is an abundant number, since it is smaller than the sum of its proper divisors (120798922700).

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

100100220100 is a wasteful number, since it uses less digits than its factorization.

100100220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16966212 (or 16966205 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100100220100 its reverse (1022001001), we get a palindrome (101122221101).

The spelling of 100100220100 in words is "one hundred billion, one hundred million, two hundred twenty thousand, one hundred".