111231310121122 has 16 divisors (see below), whose sum is σ = 171215731630944. Its totient is φ = 54164150820000.

The previous prime is 111231310121119. The next prime is 111231310121143. The reversal of 111231310121122 is 221121013132111.

It is a super-2 number, since 2×111231310121122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111231310121093 and 111231310121102.

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, 1187763504 + ... + 1187857147.

It is an arithmetic number, because the mean of its divisors is an integer number (10700983226934).

Almost surely, 2^{111231310121122} is an apocalyptic number.

111231310121122 is a deficient number, since it is larger than the sum of its proper divisors (59984421509822).

111231310121122 is a wasteful number, since it uses less digits than its factorization.

111231310121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375621265.

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

Adding to 111231310121122 its reverse (221121013132111), we get a palindrome (332352323253233).

The spelling of 111231310121122 in words is "one hundred eleven trillion, two hundred thirty-one billion, three hundred ten million, one hundred twenty-one thousand, one hundred twenty-two".