210211002022122 has 32 divisors (see below), whose sum is σ = 475053111921600. Its totient is φ = 68882701226544.

The previous prime is 210211002022117. The next prime is 210211002022183. The reversal of 210211002022122 is 221220200112012.

It is a happy number.

210211002022122 is a `hidden beast` number, since 210 + 211 + 0 + 0 + 2 + 0 + 221 + 22 = 666.

It is a super-2 number, since 2×210211002022122² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210211002022095 and 210211002022104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32989796253 + ... + 32989802624.

It is an arithmetic number, because the mean of its divisors is an integer number (14845409747550).

Almost surely, 2^{210211002022122} is an apocalyptic number.

210211002022122 is an abundant number, since it is smaller than the sum of its proper divisors (264842109899478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210211002022122 is a wasteful number, since it uses less digits than its factorization.

210211002022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65979598947 (or 65979598941 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210211002022122 its reverse (221220200112012), we get a palindrome (431431202134134).

The spelling of 210211002022122 in words is "two hundred ten trillion, two hundred eleven billion, two million, twenty-two thousand, one hundred twenty-two".