1112121323031 has 16 divisors (see below), whose sum is σ = 1533987907200. Its totient is φ = 715835392608.

The previous prime is 1112121323029. The next prime is 1112121323041. The reversal of 1112121323031 is 1303231212111.

It is not a de Polignac number, because 1112121323031 - 2¹ = 1112121323029 is a prime.

It is a super-2 number, since 2×1112121323031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112121322989 and 1112121323007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112121323041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8357940 + ... + 8489958.

It is an arithmetic number, because the mean of its divisors is an integer number (95874244200).

Almost surely, 2^{1112121323031} is an apocalyptic number.

1112121323031 is a deficient number, since it is larger than the sum of its proper divisors (421866584169).

1112121323031 is a wasteful number, since it uses less digits than its factorization.

1112121323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228878.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1112121323031 its reverse (1303231212111), we get a palindrome (2415352535142).

The spelling of 1112121323031 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, three hundred twenty-three thousand, thirty-one".