101222100200020 has 12 divisors (see below), whose sum is σ = 212566410420084. Its totient is φ = 40488840080000.

The previous prime is 101222100199973. The next prime is 101222100200057. The reversal of 101222100200020 is 20002001222101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34169028503184 + 67053071696836 = 5845428^2 + 8188594^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530552504981 + ... + 2530552505020.

It is an arithmetic number, because the mean of its divisors is an integer number (17713867535007).

Almost surely, 2^{101222100200020} is an apocalyptic number.

101222100200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222100200020 is an abundant number, since it is smaller than the sum of its proper divisors (111344310220064).

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

101222100200020 is a wasteful number, since it uses less digits than its factorization.

101222100200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061105010010 (or 5061105010008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 101222100200020 its reverse (20002001222101), we get a palindrome (121224101422121).

The spelling of 101222100200020 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred million, two hundred thousand, twenty".