201022021010122 has 8 divisors (see below), whose sum is σ = 324727880093316. Its totient is φ = 92779394312352.

The previous prime is 201022021010113. The next prime is 201022021010123. The reversal of 201022021010122 is 221010120220102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 185950614049641 + 15071406960481 = 13636371^2 + 3882191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201022021010096 and 201022021010105.

It is not an unprimeable number, because it can be changed into a prime (201022021010123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3865808096323 + ... + 3865808096374.

Almost surely, 2^{201022021010122} is an apocalyptic number.

201022021010122 is a deficient number, since it is larger than the sum of its proper divisors (123705859083194).

201022021010122 is a wasteful number, since it uses less digits than its factorization.

201022021010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731616192712.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201022021010122 its reverse (221010120220102), we get a palindrome (422032141230224).

The spelling of 201022021010122 in words is "two hundred one trillion, twenty-two billion, twenty-one million, ten thousand, one hundred twenty-two".