201020122022122 has 64 divisors (see below), whose sum is σ = 334345972536576. Its totient is φ = 90057190970880.

The previous prime is 201020122022113. The next prime is 201020122022173. The reversal of 201020122022122 is 221220221020102.

It is a self number, because there is not a number n which added to its sum of digits gives 201020122022122.

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, 289632403 + ... + 290325625.

It is an arithmetic number, because the mean of its divisors is an integer number (5224155820884).

Almost surely, 2^{201020122022122} is an apocalyptic number.

201020122022122 is a deficient number, since it is larger than the sum of its proper divisors (133325850514454).

201020122022122 is a wasteful number, since it uses less digits than its factorization.

201020122022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694895.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201020122022122 its reverse (221220221020102), we get a palindrome (422240343042224).

The spelling of 201020122022122 in words is "two hundred one trillion, twenty billion, one hundred twenty-two million, twenty-two thousand, one hundred twenty-two".