22121001413 has 16 divisors (see below), whose sum is σ = 25339511424. Its totient is φ = 18917141760.

The previous prime is 22121001377. The next prime is 22121001431. The reversal of 22121001413 is 31410012122.

It is a cyclic number.

It is not a de Polignac number, because 22121001413 - 2²⁸ = 21852565957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22121001391 and 22121001400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121001473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9305081 + ... + 9307457.

It is an arithmetic number, because the mean of its divisors is an integer number (1583719464).

Almost surely, 2^22121001413 is an apocalyptic number.

It is an amenable number.

22121001413 is a deficient number, since it is larger than the sum of its proper divisors (3218510011).

22121001413 is a wasteful number, since it uses less digits than its factorization.

22121001413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22121001413 its reverse (31410012122), we get a palindrome (53531013535).

The spelling of 22121001413 in words is "twenty-two billion, one hundred twenty-one million, one thousand, four hundred thirteen".