11221430131 has 4 divisors (see below), whose sum is σ = 11405388064. Its totient is φ = 11037472200.

The previous prime is 11221430093. The next prime is 11221430147. The reversal of 11221430131 is 13103412211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13103412211 = 3607 ⋅3632773.

It is a cyclic number.

It is not a de Polignac number, because 11221430131 - 2²³ = 11213041523 is a prime.

It is a super-2 number, since 2×11221430131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221430099 and 11221430108.

It is not an unprimeable number, because it can be changed into a prime (11221436131) 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, 91978875 + ... + 91978996.

It is an arithmetic number, because the mean of its divisors is an integer number (2851347016).

Almost surely, 2^11221430131 is an apocalyptic number.

11221430131 is a deficient number, since it is larger than the sum of its proper divisors (183957933).

11221430131 is an equidigital number, since it uses as much as digits as its factorization.

11221430131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183957932.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11221430131 its reverse (13103412211), we get a palindrome (24324842342).

The spelling of 11221430131 in words is "eleven billion, two hundred twenty-one million, four hundred thirty thousand, one hundred thirty-one".