201202221100122 has 48 divisors (see below), whose sum is σ = 476931547965600. Its totient is φ = 60795669808800.

The previous prime is 201202221100103. The next prime is 201202221100129. The reversal of 201202221100122 is 221001122202102.

It is a happy number.

201202221100122 is a `hidden beast` number, since 20 + 1 + 202 + 221 + 100 + 122 = 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 = 201202221100095 and 201202221100104.

It is not an unprimeable number, because it can be changed into a prime (201202221100129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1455765904 + ... + 1455904107.

It is an arithmetic number, because the mean of its divisors is an integer number (9936073915950).

Almost surely, 2^{201202221100122} is an apocalyptic number.

201202221100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201202221100122 is an abundant number, since it is smaller than the sum of its proper divisors (275729326865478).

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

201202221100122 is a wasteful number, since it uses less digits than its factorization.

201202221100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911670379 (or 2911670376 counting only the distinct ones).

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

Adding to 201202221100122 its reverse (221001122202102), we get a palindrome (422203343302224).

The spelling of 201202221100122 in words is "two hundred one trillion, two hundred two billion, two hundred twenty-one million, one hundred thousand, one hundred twenty-two".