11220122102213 has 4 divisors (see below), whose sum is σ = 11277077036940. Its totient is φ = 11163167167488.

The previous prime is 11220122102209. The next prime is 11220122102257. The reversal of 11220122102213 is 31220122102211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10749172059649 + 470950042564 = 3278593^2 + 686258^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220122102213 - 2² = 11220122102209 is a prime.

It is a super-2 number, since 2×11220122102213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220122101213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28477467068 + ... + 28477467461.

It is an arithmetic number, because the mean of its divisors is an integer number (2819269259235).

Almost surely, 2^{11220122102213} is an apocalyptic number.

It is an amenable number.

11220122102213 is a deficient number, since it is larger than the sum of its proper divisors (56954934727).

11220122102213 is an equidigital number, since it uses as much as digits as its factorization.

11220122102213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56954934726.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11220122102213 its reverse (31220122102211), we get a palindrome (42440244204424).

The spelling of 11220122102213 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-two million, one hundred two thousand, two hundred thirteen".