22012002113 has 4 divisors (see below), whose sum is σ = 23170528560. Its totient is φ = 20853475668.

The previous prime is 22012002109. The next prime is 22012002119. The reversal of 22012002113 is 31120021022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31120021022 = 2 ⋅15560010511.

It is a cyclic number.

It is not a de Polignac number, because 22012002113 - 2² = 22012002109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012002119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579263195 + ... + 579263232.

It is an arithmetic number, because the mean of its divisors is an integer number (5792632140).

Almost surely, 2^22012002113 is an apocalyptic number.

It is an amenable number.

22012002113 is a deficient number, since it is larger than the sum of its proper divisors (1158526447).

22012002113 is a wasteful number, since it uses less digits than its factorization.

22012002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158526446.

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

Adding to 22012002113 its reverse (31120021022), we get a palindrome (53132023135).

The spelling of 22012002113 in words is "twenty-two billion, twelve million, two thousand, one hundred thirteen".