12211122233131 has 8 divisors (see below), whose sum is σ = 13152738758720. Its totient is φ = 11299398295752.

The previous prime is 12211122233129. The next prime is 12211122233179. The reversal of 12211122233131 is 13133222111221.

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 12211122233131 - 2¹ = 12211122233129 is a prime.

It is a super-2 number, since 2×12211122233131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211122233096 and 12211122233105.

It is not an unprimeable number, because it can be changed into a prime (12211122233111) 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, 7473146205 + ... + 7473147838.

It is an arithmetic number, because the mean of its divisors is an integer number (1644092344840).

Almost surely, 2^{12211122233131} is an apocalyptic number.

12211122233131 is a deficient number, since it is larger than the sum of its proper divisors (941616525589).

12211122233131 is a wasteful number, since it uses less digits than its factorization.

12211122233131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14946294105.

The product of its digits is 864, while the sum is 25.

Adding to 12211122233131 its reverse (13133222111221), we get a palindrome (25344344344352).

The spelling of 12211122233131 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-two million, two hundred thirty-three thousand, one hundred thirty-one".