101000022201220 has 12 divisors (see below), whose sum is σ = 212100046622604. Its totient is φ = 40400008880480.

The previous prime is 101000022201203. The next prime is 101000022201263. The reversal of 101000022201220 is 22102220000101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38946685969984 + 62053336231236 = 6240728^2 + 7877394^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101000022201220.

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, 2525000555011 + ... + 2525000555050.

It is an arithmetic number, because the mean of its divisors is an integer number (17675003885217).

Almost surely, 2^{101000022201220} is an apocalyptic number.

101000022201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101000022201220 is an abundant number, since it is smaller than the sum of its proper divisors (111100024421384).

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

101000022201220 is a wasteful number, since it uses less digits than its factorization.

101000022201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050001110070 (or 5050001110068 counting only the distinct ones).

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

Adding to 101000022201220 its reverse (22102220000101), we get a palindrome (123102242201321).

The spelling of 101000022201220 in words is "one hundred one trillion, twenty-two million, two hundred one thousand, two hundred twenty".