22112220201111 has 12 divisors (see below), whose sum is σ = 32803113451992. Its totient is φ = 14343061751856.

The previous prime is 22112220201053. The next prime is 22112220201119. The reversal of 22112220201111 is 11110202221122.

22112220201111 is a `hidden beast` number, since 22 + 112 + 220 + 201 + 111 = 666.

It is not a de Polignac number, because 22112220201111 - 2¹⁰ = 22112220200087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112220201119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33201531501 + ... + 33201532166.

It is an arithmetic number, because the mean of its divisors is an integer number (2733592787666).

Almost surely, 2^{22112220201111} is an apocalyptic number.

22112220201111 is a deficient number, since it is larger than the sum of its proper divisors (10690893250881).

22112220201111 is a wasteful number, since it uses less digits than its factorization.

22112220201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66403063710 (or 66403063707 counting only the distinct ones).

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

Adding to 22112220201111 its reverse (11110202221122), we get a palindrome (33222422422233).

The spelling of 22112220201111 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty million, two hundred one thousand, one hundred eleven".