11213202122 has 4 divisors (see below), whose sum is σ = 16819803186. Its totient is φ = 5606601060.

The previous prime is 11213202097. The next prime is 11213202139. The reversal of 11213202122 is 22120231211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22120231211 = 13 ⋅1701556247.

It can be written as a sum of positive squares in only one way, i.e., 7563954841 + 3649247281 = 86971^2 + 60409^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11213202122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803300529 + ... + 2803300532.

Almost surely, 2^11213202122 is an apocalyptic number.

11213202122 is a deficient number, since it is larger than the sum of its proper divisors (5606601064).

11213202122 is an equidigital number, since it uses as much as digits as its factorization.

11213202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606601063.

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

Adding to 11213202122 its reverse (22120231211), we get a palindrome (33333433333).

The spelling of 11213202122 in words is "eleven billion, two hundred thirteen million, two hundred two thousand, one hundred twenty-two".