11012313122 has 4 divisors (see below), whose sum is σ = 16518469686. Its totient is φ = 5506156560.

The previous prime is 11012313073. The next prime is 11012313149. The reversal of 11012313122 is 22131321011.

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., 5751857281 + 5260455841 = 75841^2 + 72529^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11012313122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2753078279 + ... + 2753078282.

Almost surely, 2^11012313122 is an apocalyptic number.

11012313122 is a deficient number, since it is larger than the sum of its proper divisors (5506156564).

11012313122 is an equidigital number, since it uses as much as digits as its factorization.

11012313122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506156563.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11012313122 its reverse (22131321011), we get a palindrome (33143634133).

The spelling of 11012313122 in words is "eleven billion, twelve million, three hundred thirteen thousand, one hundred twenty-two".