201020220122 has 16 divisors (see below), whose sum is σ = 304535959200. Its totient is φ = 99509391888.

The previous prime is 201020220101. The next prime is 201020220143. The reversal of 201020220122 is 221022020102.

It is an interprime number because it is at equal distance from previous prime (201020220101) and next prime (201020220143).

It is a junction number, because it is equal to n+sod(n) for n = 201020220097 and 201020220106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59504 + ... + 636852.

It is an arithmetic number, because the mean of its divisors is an integer number (19033497450).

Almost surely, 2^201020220122 is an apocalyptic number.

201020220122 is a deficient number, since it is larger than the sum of its proper divisors (103515739078).

201020220122 is a wasteful number, since it uses less digits than its factorization.

201020220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579085.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201020220122 its reverse (221022020102), we get a palindrome (422042240224).

The spelling of 201020220122 in words is "two hundred one billion, twenty million, two hundred twenty thousand, one hundred twenty-two".