22113111133 has 2 divisors, whose sum is σ = 22113111134. Its totient is φ = 22113111132.

The previous prime is 22113111127. The next prime is 22113111151. The reversal of 22113111133 is 33111131122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21160648089 + 952463044 = 145467^2 + 30862^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113111133 - 2²⁹ = 21576240221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22113111133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22113111173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056555566 + 11056555567.

It is an arithmetic number, because the mean of its divisors is an integer number (11056555567).

Almost surely, 2^22113111133 is an apocalyptic number.

It is an amenable number.

22113111133 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113111133 is an equidigital number, since it uses as much as digits as its factorization.

22113111133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 19.

Adding to 22113111133 its reverse (33111131122), we get a palindrome (55224242255).

The spelling of 22113111133 in words is "twenty-two billion, one hundred thirteen million, one hundred eleven thousand, one hundred thirty-three".