210220112122 has 16 divisors (see below), whose sum is σ = 315629305992. Its totient is φ = 105010390080.

The previous prime is 210220112093. The next prime is 210220112173. The reversal of 210220112122 is 221211022012.

It is a happy number.

210220112122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 105580154761 + 104639957361 = 324931^2 + 323481^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210220112096 and 210220112105.

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, 11584168 + ... + 11602300.

Almost surely, 2^210220112122 is an apocalyptic number.

210220112122 is a deficient number, since it is larger than the sum of its proper divisors (105409193870).

210220112122 is a wasteful number, since it uses less digits than its factorization.

210220112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23313.

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

Adding to 210220112122 its reverse (221211022012), we get a palindrome (431431134134).

The spelling of 210220112122 in words is "two hundred ten billion, two hundred twenty million, one hundred twelve thousand, one hundred twenty-two".