22102211220111 has 48 divisors (see below), whose sum is σ = 35770177261728. Its totient is φ = 13032822067200.

The previous prime is 22102211220059. The next prime is 22102211220113. The reversal of 22102211220111 is 11102211220122.

22102211220111 is a `hidden beast` number, since 2 + 210 + 221 + 1 + 220 + 1 + 11 = 666.

It is not a de Polignac number, because 22102211220111 - 2¹⁴ = 22102211203727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102211220113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140291095 + ... + 140448551.

It is an arithmetic number, because the mean of its divisors is an integer number (745212026286).

Almost surely, 2^{22102211220111} is an apocalyptic number.

22102211220111 is a deficient number, since it is larger than the sum of its proper divisors (13667966041617).

22102211220111 is a wasteful number, since it uses less digits than its factorization.

22102211220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195832 (or 195829 counting only the distinct ones).

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

Adding to 22102211220111 its reverse (11102211220122), we get a palindrome (33204422440233).

It can be divided in two parts, 22102211 and 220111, that added together give a palindrome (22322322).

The spelling of 22102211220111 in words is "twenty-two trillion, one hundred two billion, two hundred eleven million, two hundred twenty thousand, one hundred eleven".