11102221023 has 4 divisors (see below), whose sum is σ = 14802961368. Its totient is φ = 7401480680.

The previous prime is 11102221019. The next prime is 11102221027. The reversal of 11102221023 is 32012220111.

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

It is an interprime number because it is at equal distance from previous prime (11102221019) and next prime (11102221027).

It is a cyclic number.

It is not a de Polignac number, because 11102221023 - 2² = 11102221019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11102220993 and 11102221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102221027) 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, 1850370168 + ... + 1850370173.

It is an arithmetic number, because the mean of its divisors is an integer number (3700740342).

Almost surely, 2^11102221023 is an apocalyptic number.

11102221023 is a deficient number, since it is larger than the sum of its proper divisors (3700740345).

11102221023 is an equidigital number, since it uses as much as digits as its factorization.

11102221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700740344.

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

Adding to 11102221023 its reverse (32012220111), we get a palindrome (43114441134).

The spelling of 11102221023 in words is "eleven billion, one hundred two million, two hundred twenty-one thousand, twenty-three".