11022201131 has 4 divisors (see below), whose sum is σ = 11602317000. Its totient is φ = 10442085264.

The previous prime is 11022201109. The next prime is 11022201133. The reversal of 11022201131 is 13110222011.

11022201131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13110222011 = 797 ⋅16449463.

It is a cyclic number.

It is not a de Polignac number, because 11022201131 - 2¹⁰ = 11022200107 is a prime.

It is a super-2 number, since 2×11022201131² (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 (11022201133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290057906 + ... + 290057943.

It is an arithmetic number, because the mean of its divisors is an integer number (2900579250).

Almost surely, 2^11022201131 is an apocalyptic number.

11022201131 is a deficient number, since it is larger than the sum of its proper divisors (580115869).

11022201131 is an equidigital number, since it uses as much as digits as its factorization.

11022201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580115868.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11022201131 its reverse (13110222011), we get a palindrome (24132423142).

The spelling of 11022201131 in words is "eleven billion, twenty-two million, two hundred one thousand, one hundred thirty-one".