11312202122 has 8 divisors (see below), whose sum is σ = 18273557316. Its totient is φ = 5221016352.

The previous prime is 11312202091. The next prime is 11312202133. The reversal of 11312202122 is 22120221311.

It can be written as a sum of positive squares in 2 ways, for example, as 7994326921 + 3317875201 = 89411^2 + 57601^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 11312202122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217542323 + ... + 217542374.

Almost surely, 2^11312202122 is an apocalyptic number.

11312202122 is a deficient number, since it is larger than the sum of its proper divisors (6961355194).

11312202122 is a wasteful number, since it uses less digits than its factorization.

11312202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435084712.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11312202122 its reverse (22120221311), we get a palindrome (33432423433).

The spelling of 11312202122 in words is "eleven billion, three hundred twelve million, two hundred two thousand, one hundred twenty-two".