111231130111222 has 32 divisors (see below), whose sum is σ = 183465467856000. Its totient is φ = 50157071657280.

The previous prime is 111231130111177. The next prime is 111231130111253. The reversal of 111231130111222 is 222111031132111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 111231130111193 and 111231130111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7791828 + ... + 16827799.

It is an arithmetic number, because the mean of its divisors is an integer number (5733295870500).

Almost surely, 2^{111231130111222} is an apocalyptic number.

111231130111222 is a deficient number, since it is larger than the sum of its proper divisors (72234337744778).

111231130111222 is a wasteful number, since it uses less digits than its factorization.

111231130111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24621276.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 111231130111222 its reverse (222111031132111), we get a palindrome (333342161243333).

The spelling of 111231130111222 in words is "one hundred eleven trillion, two hundred thirty-one billion, one hundred thirty million, one hundred eleven thousand, two hundred twenty-two".