210211022122 has 16 divisors (see below), whose sum is σ = 317604854952. Its totient is φ = 104345053120.

The previous prime is 210211022117. The next prime is 210211022129. The reversal of 210211022122 is 221220112012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 155978393481 + 54232628641 = 394941^2 + 232879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210211022096 and 210211022105.

It is not an unprimeable number, because it can be changed into a prime (210211022129) 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, 397033 + ... + 760300.

Almost surely, 2^210211022122 is an apocalyptic number.

210211022122 is a deficient number, since it is larger than the sum of its proper divisors (107393832830).

210211022122 is a wasteful number, since it uses less digits than its factorization.

210211022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157993.

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

Adding to 210211022122 its reverse (221220112012), we get a palindrome (431431134134).

The spelling of 210211022122 in words is "two hundred ten billion, two hundred eleven million, twenty-two thousand, one hundred twenty-two".