22131101131 has 8 divisors (see below), whose sum is σ = 22512006000. Its totient is φ = 21750389760.

The previous prime is 22131101117. The next prime is 22131101141. The reversal of 22131101131 is 13110113122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22131101131 - 2⁵ = 22131101099 is a prime.

It is a super-2 number, since 2×22131101131² (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 (22131101141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192571 + ... + 285211.

It is an arithmetic number, because the mean of its divisors is an integer number (2814000750).

Almost surely, 2^22131101131 is an apocalyptic number.

22131101131 is a deficient number, since it is larger than the sum of its proper divisors (380904869).

22131101131 is an equidigital number, since it uses as much as digits as its factorization.

22131101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96749.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 22131101131 its reverse (13110113122), we get a palindrome (35241214253).

It can be divided in two parts, 22 and 131101131, that multiplied together give a palindrome (2884224882).

The spelling of 22131101131 in words is "twenty-two billion, one hundred thirty-one million, one hundred one thousand, one hundred thirty-one".