222220112112111 has 16 divisors (see below), whose sum is σ = 304301848879584. Its totient is φ = 144142569800064.

The previous prime is 222220112112073. The next prime is 222220112112113. The reversal of 222220112112111 is 111211211022222.

It is not a de Polignac number, because 222220112112111 - 2³⁵ = 222185752373743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220112112113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136327741 + ... + 137948153.

It is an arithmetic number, because the mean of its divisors is an integer number (19018865554974).

Almost surely, 2^{222220112112111} is an apocalyptic number.

222220112112111 is a deficient number, since it is larger than the sum of its proper divisors (82081736767473).

222220112112111 is a wasteful number, since it uses less digits than its factorization.

222220112112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855930.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 222220112112111 its reverse (111211211022222), we get a palindrome (333431323134333).

The spelling of 222220112112111 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twelve million, one hundred twelve thousand, one hundred eleven".