11312211322 has 8 divisors (see below), whose sum is σ = 17158972500. Its totient is φ = 5592553824.

The previous prime is 11312211319. The next prime is 11312211329. The reversal of 11312211322 is 22311221311.

It can be written as a sum of positive squares in 2 ways, for example, as 10876612681 + 435598641 = 104291^2 + 20871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11312211322² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11312211322.

It is not an unprimeable number, because it can be changed into a prime (11312211329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31775697 + ... + 31776052.

Almost surely, 2^11312211322 is an apocalyptic number.

11312211322 is a deficient number, since it is larger than the sum of its proper divisors (5846761178).

11312211322 is an equidigital number, since it uses as much as digits as its factorization.

11312211322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63551840.

The product of its digits is 144, while the sum is 19.

Adding to 11312211322 its reverse (22311221311), we get a palindrome (33623432633).

The spelling of 11312211322 in words is "eleven billion, three hundred twelve million, two hundred eleven thousand, three hundred twenty-two".