11120002022221 has 4 divisors (see below), whose sum is σ = 11774119788252. Its totient is φ = 10465884256192.

The previous prime is 11120002022203. The next prime is 11120002022231. The reversal of 11120002022221 is 12222020002111.

It is a happy number.

11120002022221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9020441594025 + 2099560428196 = 3003405^2 + 1448986^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120002022221 - 2²⁵ = 11119968467789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120002022195 and 11120002022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120002022231) 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, 327058882990 + ... + 327058883023.

It is an arithmetic number, because the mean of its divisors is an integer number (2943529947063).

Almost surely, 2^{11120002022221} is an apocalyptic number.

It is an amenable number.

11120002022221 is a deficient number, since it is larger than the sum of its proper divisors (654117766031).

11120002022221 is an equidigital number, since it uses as much as digits as its factorization.

11120002022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654117766030.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11120002022221 its reverse (12222020002111), we get a palindrome (23342022024332).

The spelling of 11120002022221 in words is "eleven trillion, one hundred twenty billion, two million, twenty-two thousand, two hundred twenty-one".