11032220131 has 4 divisors (see below), whose sum is σ = 11032803072. Its totient is φ = 11031637192.

The previous prime is 11032220123. The next prime is 11032220149. The reversal of 11032220131 is 13102223011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13102223011 = 73 ⋅179482507.

It is a cyclic number.

It is not a de Polignac number, because 11032220131 - 2³ = 11032220123 is a prime.

It is a super-2 number, since 2×11032220131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11032220531) 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, 262096 + ... + 301261.

It is an arithmetic number, because the mean of its divisors is an integer number (2758200768).

Almost surely, 2^11032220131 is an apocalyptic number.

11032220131 is a deficient number, since it is larger than the sum of its proper divisors (582941).

11032220131 is an equidigital number, since it uses as much as digits as its factorization.

11032220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582940.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11032220131 its reverse (13102223011), we get a palindrome (24134443142).

The spelling of 11032220131 in words is "eleven billion, thirty-two million, two hundred twenty thousand, one hundred thirty-one".