22154113013 has 2 divisors, whose sum is σ = 22154113014. Its totient is φ = 22154113012.

The previous prime is 22154112991. The next prime is 22154113021. The reversal of 22154113013 is 31031145122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12246299569 + 9907813444 = 110663^2 + 99538^2 .

It is a cyclic number.

It is not a de Polignac number, because 22154113013 - 2¹² = 22154108917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22154113013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22154113043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11077056506 + 11077056507.

It is an arithmetic number, because the mean of its divisors is an integer number (11077056507).

Almost surely, 2^22154113013 is an apocalyptic number.

It is an amenable number.

22154113013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22154113013 is an equidigital number, since it uses as much as digits as its factorization.

22154113013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 22154113013 its reverse (31031145122), we get a palindrome (53185258135).

The spelling of 22154113013 in words is "twenty-two billion, one hundred fifty-four million, one hundred thirteen thousand, thirteen".