101021220022220 has 48 divisors (see below), whose sum is σ = 215160393063168. Its totient is φ = 39834191517120.

The previous prime is 101021220022187. The next prime is 101021220022231. The reversal of 101021220022220 is 22220022120101.

It is a happy 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, 6360827 + ... + 15572493.

It is an arithmetic number, because the mean of its divisors is an integer number (4482508188816).

Almost surely, 2^{101021220022220} is an apocalyptic number.

101021220022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021220022220 is an abundant number, since it is smaller than the sum of its proper divisors (114139173040948).

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

101021220022220 is a wasteful number, since it uses less digits than its factorization.

101021220022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219470 (or 9219468 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 101021220022220 its reverse (22220022120101), we get a palindrome (123241242142321).

The spelling of 101021220022220 in words is "one hundred one trillion, twenty-one billion, two hundred twenty million, twenty-two thousand, two hundred twenty".