111100211012222 has 16 divisors (see below), whose sum is σ = 168413854774032. Its totient is φ = 54962568902400.

The previous prime is 111100211012177. The next prime is 111100211012233. The reversal of 111100211012222 is 222210112001111.

It is a self number, because there is not a number n which added to its sum of digits gives 111100211012222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76650488 + ... + 78086475.

It is an arithmetic number, because the mean of its divisors is an integer number (10525865923377).

Almost surely, 2^{111100211012222} is an apocalyptic number.

111100211012222 is a deficient number, since it is larger than the sum of its proper divisors (57313643761810).

111100211012222 is a wasteful number, since it uses less digits than its factorization.

111100211012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154740763.

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

Adding to 111100211012222 its reverse (222210112001111), we get a palindrome (333310323013333).

The spelling of 111100211012222 in words is "one hundred eleven trillion, one hundred billion, two hundred eleven million, twelve thousand, two hundred twenty-two".