11312122210 has 32 divisors (see below), whose sum is σ = 20581743600. Its totient is φ = 4476057600.

The previous prime is 11312122193. The next prime is 11312122271. The reversal of 11312122210 is 1222121311.

It can be written as a sum of positive squares in 8 ways, for example, as 11009675329 + 302446881 = 104927^2 + 17391^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297546 + ... + 1306234.

Almost surely, 2^11312122210 is an apocalyptic number.

11312122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312122210 is a deficient number, since it is larger than the sum of its proper divisors (9269621390).

11312122210 is a wasteful number, since it uses less digits than its factorization.

11312122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10086.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11312122210 its reverse (1222121311), we get a palindrome (12534243521).

The spelling of 11312122210 in words is "eleven billion, three hundred twelve million, one hundred twenty-two thousand, two hundred ten".