222112101010111 has 4 divisors (see below), whose sum is σ = 239197647241672. Its totient is φ = 205026554778552.

The previous prime is 222112101010091. The next prime is 222112101010181. The reversal of 222112101010111 is 111010101211222.

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

It is not a de Polignac number, because 222112101010111 - 2¹⁵ = 222112100977343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112101010181) 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, 8542773115761 + ... + 8542773115786.

It is an arithmetic number, because the mean of its divisors is an integer number (59799411810418).

Almost surely, 2^{222112101010111} is an apocalyptic number.

222112101010111 is a deficient number, since it is larger than the sum of its proper divisors (17085546231561).

222112101010111 is a wasteful number, since it uses less digits than its factorization.

222112101010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17085546231560.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 222112101010111 its reverse (111010101211222), we get a palindrome (333122202221333).

The spelling of 222112101010111 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred one million, ten thousand, one hundred eleven".