11022130221 has 4 divisors (see below), whose sum is σ = 14696173632. Its totient is φ = 7348086812.

The previous prime is 11022130193. The next prime is 11022130237. The reversal of 11022130221 is 12203122011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12203122011 = 3 ⋅4067707337.

It is a cyclic number.

It is not a de Polignac number, because 11022130221 - 2¹⁵ = 11022097453 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11022130221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022130271) 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, 1837021701 + ... + 1837021706.

It is an arithmetic number, because the mean of its divisors is an integer number (3674043408).

Almost surely, 2^11022130221 is an apocalyptic number.

It is an amenable number.

11022130221 is a deficient number, since it is larger than the sum of its proper divisors (3674043411).

11022130221 is an equidigital number, since it uses as much as digits as its factorization.

11022130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674043410.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11022130221 its reverse (12203122011), we get a palindrome (23225252232).

The spelling of 11022130221 in words is "eleven billion, twenty-two million, one hundred thirty thousand, two hundred twenty-one".