22512012311131 has 8 divisors (see below), whose sum is σ = 25728921842400. Its totient is φ = 19295329723008.

The previous prime is 22512012311069. The next prime is 22512012311137. The reversal of 22512012311131 is 13111321021522.

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 22512012311131 - 2³⁷ = 22374573357659 is a prime.

It is a super-2 number, since 2×22512012311131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22512012311096 and 22512012311105.

It is not an unprimeable number, because it can be changed into a prime (22512012311137) 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, 56523166 + ... + 56920051.

It is an arithmetic number, because the mean of its divisors is an integer number (3216115230300).

Almost surely, 2^{22512012311131} is an apocalyptic number.

22512012311131 is a deficient number, since it is larger than the sum of its proper divisors (3216909531269).

22512012311131 is a wasteful number, since it uses less digits than its factorization.

22512012311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113471573.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 22512012311131 its reverse (13111321021522), we get a palindrome (35623333332653).

The spelling of 22512012311131 in words is "twenty-two trillion, five hundred twelve billion, twelve million, three hundred eleven thousand, one hundred thirty-one".