22023021113 has 4 divisors (see below), whose sum is σ = 22384054308. Its totient is φ = 21661987920.

The previous prime is 22023021077. The next prime is 22023021131. The reversal of 22023021113 is 31112032022.

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 199459129 + 21823561984 = 14123^2 + 147728^2 .

It is a cyclic number.

It is not a de Polignac number, because 22023021113 - 2¹⁸ = 22022758969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22023021091 and 22023021100.

It is not an unprimeable number, because it can be changed into a prime (22023021913) 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, 180516506 + ... + 180516627.

It is an arithmetic number, because the mean of its divisors is an integer number (5596013577).

Almost surely, 2^22023021113 is an apocalyptic number.

It is an amenable number.

22023021113 is a deficient number, since it is larger than the sum of its proper divisors (361033195).

22023021113 is an equidigital number, since it uses as much as digits as its factorization.

22023021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361033194.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22023021113 its reverse (31112032022), we get a palindrome (53135053135).

The spelling of 22023021113 in words is "twenty-two billion, twenty-three million, twenty-one thousand, one hundred thirteen".