111213312011222 has 16 divisors (see below), whose sum is σ = 167713943040000. Its totient is φ = 55308849944040.

The previous prime is 111213312011213. The next prime is 111213312011231. The reversal of 111213312011222 is 222110213312111.

It is an interprime number because it is at equal distance from previous prime (111213312011213) and next prime (111213312011231).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45203222 + ... + 47599977.

It is an arithmetic number, because the mean of its divisors is an integer number (10482121440000).

Almost surely, 2^{111213312011222} is an apocalyptic number.

111213312011222 is a deficient number, since it is larger than the sum of its proper divisors (56500631028778).

111213312011222 is a wasteful number, since it uses less digits than its factorization.

111213312011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92806411.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 111213312011222 its reverse (222110213312111), we get a palindrome (333323525323333).

The spelling of 111213312011222 in words is "one hundred eleven trillion, two hundred thirteen billion, three hundred twelve million, eleven thousand, two hundred twenty-two".