22553351111 has 2 divisors, whose sum is σ = 22553351112. Its totient is φ = 22553351110.

The previous prime is 22553351099. The next prime is 22553351113. The reversal of 22553351111 is 11115335522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22553351111 is a prime.

Together with 22553351113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22553351113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11276675555 + 11276675556.

It is an arithmetic number, because the mean of its divisors is an integer number (11276675556).

Almost surely, 2^22553351111 is an apocalyptic number.

22553351111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22553351111 is an equidigital number, since it uses as much as digits as its factorization.

22553351111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 29.

Adding to 22553351111 its reverse (11115335522), we get a palindrome (33668686633).

The spelling of 22553351111 in words is "twenty-two billion, five hundred fifty-three million, three hundred fifty-one thousand, one hundred eleven".