202201202020122 has 12 divisors (see below), whose sum is σ = 438102604376970. Its totient is φ = 67400400673368.

The previous prime is 202201202020121. The next prime is 202201202020123. The reversal of 202201202020122 is 221020202102202.

202201202020122 is a `hidden beast` number, since 2 + 0 + 220 + 120 + 202 + 0 + 122 = 666.

It is an interprime number because it is at equal distance from previous prime (202201202020121) and next prime (202201202020123).

It can be written as a sum of positive squares in only one way, i.e., 197316832396401 + 4884369623721 = 14046951^2 + 2210061^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11233400112229 = 202201202020122 / (2 + 0 + 2 + 2 + 0 + 1 + 2 + 0 + 2 + 0 + 2 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 202201202020095 and 202201202020104.

It is not an unprimeable number, because it can be changed into a prime (202201202020121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5616700056097 + ... + 5616700056132.

Almost surely, 2^{202201202020122} is an apocalyptic number.

202201202020122 is an abundant number, since it is smaller than the sum of its proper divisors (235901402356848).

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

202201202020122 is a wasteful number, since it uses less digits than its factorization.

202201202020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11233400112237 (or 11233400112234 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202201202020122 its reverse (221020202102202), we get a palindrome (423221404122324).

The spelling of 202201202020122 in words is "two hundred two trillion, two hundred one billion, two hundred two million, twenty thousand, one hundred twenty-two".