11312201122 has 4 divisors (see below), whose sum is σ = 16968301686. Its totient is φ = 5656100560.

The previous prime is 11312201111. The next prime is 11312201143. The reversal of 11312201122 is 22110221311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11172701401 + 139499721 = 105701^2 + 11811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11312201096 and 11312201105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828050279 + ... + 2828050282.

Almost surely, 2^11312201122 is an apocalyptic number.

11312201122 is a deficient number, since it is larger than the sum of its proper divisors (5656100564).

11312201122 is an equidigital number, since it uses as much as digits as its factorization.

11312201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5656100563.

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

Adding to 11312201122 its reverse (22110221311), we get a palindrome (33422422433).

The spelling of 11312201122 in words is "eleven billion, three hundred twelve million, two hundred one thousand, one hundred twenty-two".