11312130022 has 4 divisors (see below), whose sum is σ = 16968195036. Its totient is φ = 5656065010.

The previous prime is 11312129977. The next prime is 11312130029. The reversal of 11312130022 is 22003121311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22003121311 = 103 ⋅213622537.

It is a junction number, because it is equal to n+sod(n) for n = 11312129978 and 11312130005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312130029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828032504 + ... + 2828032507.

It is an arithmetic number, because the mean of its divisors is an integer number (4242048759).

Almost surely, 2^11312130022 is an apocalyptic number.

11312130022 is a deficient number, since it is larger than the sum of its proper divisors (5656065014).

11312130022 is an equidigital number, since it uses as much as digits as its factorization.

11312130022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656065013.

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

Adding to 11312130022 its reverse (22003121311), we get a palindrome (33315251333).

The spelling of 11312130022 in words is "eleven billion, three hundred twelve million, one hundred thirty thousand, twenty-two".