210201021323122 has 16 divisors (see below), whose sum is σ = 318423953641752. Its totient is φ = 104059707523200.

The previous prime is 210201021323093. The next prime is 210201021323123. The reversal of 210201021323122 is 221323120102012.

It can be written as a sum of positive squares in 4 ways, for example, as 195326647316761 + 14874374006361 = 13975931^2 + 3856731^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210201021323093 and 210201021323102.

It is not an unprimeable number, because it can be changed into a prime (210201021323123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204346678 + ... + 205372750.

Almost surely, 2^{210201021323122} is an apocalyptic number.

210201021323122 is a deficient number, since it is larger than the sum of its proper divisors (108222932318630).

210201021323122 is a wasteful number, since it uses less digits than its factorization.

210201021323122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040333.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 210201021323122 its reverse (221323120102012), we get a palindrome (431524141425134).

The spelling of 210201021323122 in words is "two hundred ten trillion, two hundred one billion, twenty-one million, three hundred twenty-three thousand, one hundred twenty-two".