11221001023 has 2 divisors, whose sum is σ = 11221001024. Its totient is φ = 11221001022.

The previous prime is 11221001021. The next prime is 11221001069. The reversal of 11221001023 is 32010012211.

It is a weak prime.

It is an emirp because it is prime and its reverse (32010012211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11221001023 - 2¹ = 11221001021 is a prime.

Together with 11221001021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11221000994 and 11221001012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221001021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610500511 + 5610500512.

It is an arithmetic number, because the mean of its divisors is an integer number (5610500512).

Almost surely, 2^11221001023 is an apocalyptic number.

11221001023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221001023 is an equidigital number, since it uses as much as digits as its factorization.

11221001023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11221001023 its reverse (32010012211), we get a palindrome (43231013234).

The spelling of 11221001023 in words is "eleven billion, two hundred twenty-one million, one thousand, twenty-three".