111231111122 has 8 divisors (see below), whose sum is σ = 166848885372. Its totient is φ = 55614816000.

The previous prime is 111231111107. The next prime is 111231111137. The reversal of 111231111122 is 221111132111.

It is an interprime number because it is at equal distance from previous prime (111231111107) and next prime (111231111137).

It can be written as a sum of positive squares in 2 ways, for example, as 107419407001 + 3811704121 = 327749^2 + 61739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111231111122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157379 + ... + 497222.

Almost surely, 2^111231111122 is an apocalyptic number.

111231111122 is a deficient number, since it is larger than the sum of its proper divisors (55617774250).

111231111122 is an equidigital number, since it uses as much as digits as its factorization.

111231111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739564.

The product of its digits is 24, while the sum is 17.

Adding to 111231111122 its reverse (221111132111), we get a palindrome (332342243233).

The spelling of 111231111122 in words is "one hundred eleven billion, two hundred thirty-one million, one hundred eleven thousand, one hundred twenty-two".