1111322222131 has 4 divisors (see below), whose sum is σ = 1212351515064. Its totient is φ = 1010292929200.

The previous prime is 1111322222099. The next prime is 1111322222147. The reversal of 1111322222131 is 1312222231111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1111322222131 - 2⁵ = 1111322222099 is a prime.

It is a super-2 number, since 2×1111322222131² (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 (1111322232131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50514646450 + ... + 50514646471.

It is an arithmetic number, because the mean of its divisors is an integer number (303087878766).

Almost surely, 2^{1111322222131} is an apocalyptic number.

1111322222131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111322222131 is a deficient number, since it is larger than the sum of its proper divisors (101029292933).

1111322222131 is a wasteful number, since it uses less digits than its factorization.

1111322222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101029292932.

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

Adding to 1111322222131 its reverse (1312222231111), we get a palindrome (2423544453242).

The spelling of 1111322222131 in words is "one trillion, one hundred eleven billion, three hundred twenty-two million, two hundred twenty-two thousand, one hundred thirty-one".