11222222132331 has 40 divisors (see below), whose sum is σ = 19298772276960. Its totient is φ = 6365890300032.

The previous prime is 11222222132291. The next prime is 11222222132357. The reversal of 11222222132331 is 13323122222211.

11222222132331 is a `hidden beast` number, since 112 + 2 + 2 + 2 + 2 + 213 + 2 + 331 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-11222222132331 is a prime.

It is a super-2 number, since 2×11222222132331² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11222222132295 and 11222222132304.

It is not an unprimeable number, because it can be changed into a prime (11222222132531) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 72156916 + ... + 72312273.

It is an arithmetic number, because the mean of its divisors is an integer number (482469306924).

Almost surely, 2^{11222222132331} is an apocalyptic number.

11222222132331 is a deficient number, since it is larger than the sum of its proper divisors (8076550144629).

11222222132331 is a wasteful number, since it uses less digits than its factorization.

11222222132331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144469345 (or 144469336 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 11222222132331 its reverse (13323122222211), we get a palindrome (24545344354542).

The spelling of 11222222132331 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred thirty-two thousand, three hundred thirty-one".