22211220102111 has 24 divisors (see below), whose sum is σ = 33117237039744. Its totient is φ = 14334144471360.

The previous prime is 22211220102103. The next prime is 22211220102119. The reversal of 22211220102111 is 11120102211222.

22211220102111 is a `hidden beast` number, since 2 + 221 + 1 + 220 + 10 + 211 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (22211220102103) and next prime (22211220102119).

It is not a de Polignac number, because 22211220102111 - 2³ = 22211220102103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211220102119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169224655 + ... + 169355856.

It is an arithmetic number, because the mean of its divisors is an integer number (1379884876656).

Almost surely, 2^{22211220102111} is an apocalyptic number.

22211220102111 is a deficient number, since it is larger than the sum of its proper divisors (10906016937633).

22211220102111 is a wasteful number, since it uses less digits than its factorization.

22211220102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338580751 (or 338580748 counting only the distinct ones).

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

Adding to 22211220102111 its reverse (11120102211222), we get a palindrome (33331322313333).

Subtracting from 22211220102111 its reverse (11120102211222), we obtain a square (11091117890889 = 3330333²).

The spelling of 22211220102111 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty million, one hundred two thousand, one hundred eleven".