111311021232122 has 16 divisors (see below), whose sum is σ = 172359770856192. Its totient is φ = 53857914735360.

The previous prime is 111311021232113. The next prime is 111311021232127. The reversal of 111311021232122 is 221232120113111.

It is not an unprimeable number, because it can be changed into a prime (111311021232127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36121748 + ... + 39081999.

It is an arithmetic number, because the mean of its divisors is an integer number (10772485678512).

Almost surely, 2^{111311021232122} is an apocalyptic number.

111311021232122 is a deficient number, since it is larger than the sum of its proper divisors (61048749624070).

111311021232122 is a wasteful number, since it uses less digits than its factorization.

111311021232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75227653.

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

Adding to 111311021232122 its reverse (221232120113111), we get a palindrome (332543141345233).

The spelling of 111311021232122 in words is "one hundred eleven trillion, three hundred eleven billion, twenty-one million, two hundred thirty-two thousand, one hundred twenty-two".