22012212110211 has 32 divisors (see below), whose sum is σ = 34530836025600. Its totient is φ = 13810833728640.

The previous prime is 22012212110197. The next prime is 22012212110221. The reversal of 22012212110211 is 11201121221022.

22012212110211 is a `hidden beast` number, since 2 + 20 + 1 + 221 + 211 + 0 + 211 = 666.

It is not a de Polignac number, because 22012212110211 - 2¹⁰ = 22012212109187 is a prime.

It is a super-2 number, since 2×22012212110211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22012212110221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7215996 + ... + 9802806.

It is an arithmetic number, because the mean of its divisors is an integer number (1079088625800).

Almost surely, 2^{22012212110211} is an apocalyptic number.

22012212110211 is a deficient number, since it is larger than the sum of its proper divisors (12518623915389).

22012212110211 is a wasteful number, since it uses less digits than its factorization.

22012212110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605376 (or 2605370 counting only the distinct ones).

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

Adding to 22012212110211 its reverse (11201121221022), we get a palindrome (33213333331233).

The spelling of 22012212110211 in words is "twenty-two trillion, twelve billion, two hundred twelve million, one hundred ten thousand, two hundred eleven".