211222122110 has 16 divisors (see below), whose sum is σ = 381874712976. Its totient is φ = 84116650368.

The previous prime is 211222122103. The next prime is 211222122131. The reversal of 211222122110 is 11221222112.

It is a super-2 number, since 2×211222122110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 46522427 + ... + 46526966.

It is an arithmetic number, because the mean of its divisors is an integer number (23867169561).

Almost surely, 2^211222122110 is an apocalyptic number.

211222122110 is a deficient number, since it is larger than the sum of its proper divisors (170652590866).

211222122110 is a wasteful number, since it uses less digits than its factorization.

211222122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93049627.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211222122110 its reverse (11221222112), we get a palindrome (222443344222).

The spelling of 211222122110 in words is "two hundred eleven billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred ten".