101201220122220 has 96 divisors (see below), whose sum is σ = 315326008166400. Its totient is φ = 26946040508352.

The previous prime is 101201220122159. The next prime is 101201220122231. The reversal of 101201220122220 is 22221022102101.

It is a happy number.

101201220122220 is a `hidden beast` number, since 1 + 0 + 1 + 201 + 220 + 1 + 22 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101201220122193 and 101201220122202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141836604 + ... + 142548323.

It is an arithmetic number, because the mean of its divisors is an integer number (3284645918400).

Almost surely, 2^{101201220122220} is an apocalyptic number.

101201220122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201220122220 is an abundant number, since it is smaller than the sum of its proper divisors (214124788044180).

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

101201220122220 is a wasteful number, since it uses less digits than its factorization.

101201220122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284385604 (or 284385596 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101201220122220 its reverse (22221022102101), we get a palindrome (123422242224321).

The spelling of 101201220122220 in words is "one hundred one trillion, two hundred one billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty".