22201111133 has 2 divisors, whose sum is σ = 22201111134. Its totient is φ = 22201111132.

The previous prime is 22201111099. The next prime is 22201111139. The reversal of 22201111133 is 33111110222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21527345284 + 673765849 = 146722^2 + 25957^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201111133 - 2⁶ = 22201111069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201111139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100555566 + 11100555567.

It is an arithmetic number, because the mean of its divisors is an integer number (11100555567).

Almost surely, 2^22201111133 is an apocalyptic number.

It is an amenable number.

22201111133 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201111133 is an equidigital number, since it uses as much as digits as its factorization.

22201111133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22201111133 its reverse (33111110222), we get a palindrome (55312221355).

The spelling of 22201111133 in words is "twenty-two billion, two hundred one million, one hundred eleven thousand, one hundred thirty-three".