1112223122131 has 16 divisors (see below), whose sum is σ = 1243811738880. Its totient is φ = 985948161120.

The previous prime is 1112223122119. The next prime is 1112223122147. The reversal of 1112223122131 is 1312213222111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1112223122131 - 2²³ = 1112214733523 is a prime.

It is a super-2 number, since 2×1112223122131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112223122111) 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, 5756991 + ... + 5947048.

It is an arithmetic number, because the mean of its divisors is an integer number (77738233680).

Almost surely, 2^{1112223122131} is an apocalyptic number.

1112223122131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112223122131 is a deficient number, since it is larger than the sum of its proper divisors (131588616749).

1112223122131 is a wasteful number, since it uses less digits than its factorization.

1112223122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11704266.

The product of its digits is 288, while the sum is 22.

Adding to 1112223122131 its reverse (1312213222111), we get a palindrome (2424436344242).

The spelling of 1112223122131 in words is "one trillion, one hundred twelve billion, two hundred twenty-three million, one hundred twenty-two thousand, one hundred thirty-one".