11220010002221 has 4 divisors (see below), whose sum is σ = 11242316185632. Its totient is φ = 11197703818812.

The previous prime is 11220010002211. The next prime is 11220010002247. The reversal of 11220010002221 is 12220001002211.

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.

It is a cyclic number.

It is not a de Polignac number, because 11220010002221 - 2²² = 11220005807917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220010002196 and 11220010002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220010002211) 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, 11153090951 + ... + 11153091956.

It is an arithmetic number, because the mean of its divisors is an integer number (2810579046408).

Almost surely, 2^{11220010002221} is an apocalyptic number.

It is an amenable number.

11220010002221 is a deficient number, since it is larger than the sum of its proper divisors (22306183411).

11220010002221 is an equidigital number, since it uses as much as digits as its factorization.

11220010002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22306183410.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11220010002221 its reverse (12220001002211), we get a palindrome (23440011004432).

The spelling of 11220010002221 in words is "eleven trillion, two hundred twenty billion, ten million, two thousand, two hundred twenty-one".