210211121210022 has 48 divisors (see below), whose sum is σ = 456179767550208. Its totient is φ = 69959256474240.

The previous prime is 210211121210003. The next prime is 210211121210071. The reversal of 210211121210022 is 220012121112012.

210211121210022 is a `hidden beast` number, since 210 + 211 + 1 + 212 + 10 + 0 + 22 = 666.

It is a super-2 number, since 2×210211121210022² (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 = 210211121209977 and 210211121210004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219474747 + ... + 220430457.

It is an arithmetic number, because the mean of its divisors is an integer number (9503745157296).

Almost surely, 2^{210211121210022} is an apocalyptic number.

210211121210022 is an abundant number, since it is smaller than the sum of its proper divisors (245968646340186).

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

210211121210022 is a wasteful number, since it uses less digits than its factorization.

210211121210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975085 (or 975082 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210211121210022 its reverse (220012121112012), we get a palindrome (430223242322034).

The spelling of 210211121210022 in words is "two hundred ten trillion, two hundred eleven billion, one hundred twenty-one million, two hundred ten thousand, twenty-two".