100101220220 has 48 divisors (see below), whose sum is σ = 217051177728. Its totient is φ = 38738580480.

The previous prime is 100101220199. The next prime is 100101220231. The reversal of 100101220220 is 22022101001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2570414 + ... + 2609066.

It is an arithmetic number, because the mean of its divisors is an integer number (4521899536).

Almost surely, 2^100101220220 is an apocalyptic number.

100101220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100101220220 is an abundant number, since it is smaller than the sum of its proper divisors (116949957508).

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

100101220220 is a wasteful number, since it uses less digits than its factorization.

100101220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42870 (or 42868 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100101220220 its reverse (22022101001), we get a palindrome (122123321221).

The spelling of 100101220220 in words is "one hundred billion, one hundred one million, two hundred twenty thousand, two hundred twenty".