222112102010111 has 4 divisors (see below), whose sum is σ = 222174127174824. Its totient is φ = 222050076845400.

The previous prime is 222112102010089. The next prime is 222112102010153. The reversal of 222112102010111 is 111010201211222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222112102010111 - 2²⁶ = 222112034901247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222112102010111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112102016111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31012576985 + ... + 31012584146.

It is an arithmetic number, because the mean of its divisors is an integer number (55543531793706).

Almost surely, 2^{222112102010111} is an apocalyptic number.

222112102010111 is a deficient number, since it is larger than the sum of its proper divisors (62025164713).

222112102010111 is an equidigital number, since it uses as much as digits as its factorization.

222112102010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62025164712.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222112102010111 its reverse (111010201211222), we get a palindrome (333122303221333).

The spelling of 222112102010111 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred two million, ten thousand, one hundred eleven".