22121002013 has 8 divisors (see below), whose sum is σ = 24133183200. Its totient is φ = 20109017680.

The previous prime is 22121002009. The next prime is 22121002019. The reversal of 22121002013 is 31020012122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22121002013 - 2² = 22121002009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121002019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283706 + ... + 353172.

It is an arithmetic number, because the mean of its divisors is an integer number (3016647900).

Almost surely, 2^22121002013 is an apocalyptic number.

It is an amenable number.

22121002013 is a deficient number, since it is larger than the sum of its proper divisors (2012181187).

22121002013 is a wasteful number, since it uses less digits than its factorization.

22121002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98427.

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

Adding to 22121002013 its reverse (31020012122), we get a palindrome (53141014135).

The spelling of 22121002013 in words is "twenty-two billion, one hundred twenty-one million, two thousand, thirteen".