1111423022131 has 4 divisors (see below), whose sum is σ = 1111444650064. Its totient is φ = 1111401394200.

The previous prime is 1111423022111. The next prime is 1111423022147. The reversal of 1111423022131 is 1312203241111.

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 1111423022131 - 2¹⁵ = 1111422989363 is a prime.

It is a super-2 number, since 2×1111423022131² (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 (1111423022111) 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, 10736700 + ... + 10839721.

It is an arithmetic number, because the mean of its divisors is an integer number (277861162516).

Almost surely, 2^{1111423022131} is an apocalyptic number.

1111423022131 is a deficient number, since it is larger than the sum of its proper divisors (21627933).

1111423022131 is an equidigital number, since it uses as much as digits as its factorization.

1111423022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21627932.

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

Adding to 1111423022131 its reverse (1312203241111), we get a palindrome (2423626263242).

The spelling of 1111423022131 in words is "one trillion, one hundred eleven billion, four hundred twenty-three million, twenty-two thousand, one hundred thirty-one".