22002120113 has 4 divisors (see below), whose sum is σ = 22760813940. Its totient is φ = 21243426288.

The previous prime is 22002120109. The next prime is 22002120121. The reversal of 22002120113 is 31102120022.

It is a happy number.

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 13831406449 + 8170713664 = 117607^2 + 90392^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002120113 - 2² = 22002120109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22002120163) 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, 379346870 + ... + 379346927.

It is an arithmetic number, because the mean of its divisors is an integer number (5690203485).

Almost surely, 2^22002120113 is an apocalyptic number.

It is an amenable number.

22002120113 is a deficient number, since it is larger than the sum of its proper divisors (758693827).

22002120113 is an equidigital number, since it uses as much as digits as its factorization.

22002120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758693826.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22002120113 its reverse (31102120022), we get a palindrome (53104240135).

Subtracting 22002120113 from its reverse (31102120022), we obtain a palindrome (9099999909).

The spelling of 22002120113 in words is "twenty-two billion, two million, one hundred twenty thousand, one hundred thirteen".