1222221113023 has 4 divisors (see below), whose sum is σ = 1222223951448. Its totient is φ = 1222218274600.

The previous prime is 1222221113021. The next prime is 1222221113101. The reversal of 1222221113023 is 3203111222221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222221113023 - 2¹ = 1222221113021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222221112985 and 1222221113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222221113021) 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, 625261 + ... + 1683862.

It is an arithmetic number, because the mean of its divisors is an integer number (305555987862).

Almost surely, 2^{1222221113023} is an apocalyptic number.

1222221113023 is a deficient number, since it is larger than the sum of its proper divisors (2838425).

1222221113023 is an equidigital number, since it uses as much as digits as its factorization.

1222221113023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838424.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1222221113023 its reverse (3203111222221), we get a palindrome (4425332335244).

The spelling of 1222221113023 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred thirteen thousand, twenty-three".