100122210100220 has 72 divisors (see below), whose sum is σ = 264124045201632. Its totient is φ = 31206922623360.

The previous prime is 100122210100207. The next prime is 100122210100243. The reversal of 100122210100220 is 22001012221001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 100122210100195 and 100122210100204.

It is a congruent number.

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, 2955184067 + ... + 2955217946.

Almost surely, 2^{100122210100220} is an apocalyptic number.

100122210100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122210100220 is an abundant number, since it is smaller than the sum of its proper divisors (164001835101412).

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

100122210100220 is a wasteful number, since it uses less digits than its factorization.

100122210100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910402051 (or 5910402038 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100122210100220 its reverse (22001012221001), we get a palindrome (122123222321221).

The spelling of 100122210100220 in words is "one hundred trillion, one hundred twenty-two billion, two hundred ten million, one hundred thousand, two hundred twenty".