22110331013 has 4 divisors (see below), whose sum is σ = 22166024940. Its totient is φ = 22054637088.

The previous prime is 22110330971. The next prime is 22110331037. The reversal of 22110331013 is 31013301122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31013301122 = 2 ⋅15506650561.

It can be written as a sum of positive squares in 2 ways, for example, as 7275578209 + 14834752804 = 85297^2 + 121798^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110331013 - 2⁸ = 22110330757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22110330982 and 22110331000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110331063) 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, 27846368 + ... + 27847161.

It is an arithmetic number, because the mean of its divisors is an integer number (5541506235).

Almost surely, 2^22110331013 is an apocalyptic number.

It is an amenable number.

22110331013 is a deficient number, since it is larger than the sum of its proper divisors (55693927).

22110331013 is an equidigital number, since it uses as much as digits as its factorization.

22110331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55693926.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 22110331013 its reverse (31013301122), we get a palindrome (53123632135).

The spelling of 22110331013 in words is "twenty-two billion, one hundred ten million, three hundred thirty-one thousand, thirteen".