1131323223222 has 24 divisors (see below), whose sum is σ = 2580210860760. Its totient is φ = 357259965120.

The previous prime is 1131323223187. The next prime is 1131323223311. The reversal of 1131323223222 is 2223223231311.

1131323223222 is a `hidden beast` number, since 1 + 1 + 3 + 13 + 2 + 322 + 322 + 2 = 666.

It is a super-2 number, since 2×1131323223222² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1653980979 + ... + 1653981662.

It is an arithmetic number, because the mean of its divisors is an integer number (107508785865).

Almost surely, 2^{1131323223222} is an apocalyptic number.

1131323223222 is an abundant number, since it is smaller than the sum of its proper divisors (1448887637538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131323223222 is a wasteful number, since it uses less digits than its factorization.

1131323223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307962668 (or 3307962665 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 1131323223222 its reverse (2223223231311), we get a palindrome (3354546454533).

The spelling of 1131323223222 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-three million, two hundred twenty-three thousand, two hundred twenty-two".