22222001201111 has 2 divisors, whose sum is σ = 22222001201112. Its totient is φ = 22222001201110.

The previous prime is 22222001201093. The next prime is 22222001201149. The reversal of 22222001201111 is 11110210022222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22222001201111 - 2⁴² = 17823954690007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22222001201111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222001201161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111000600555 + 11111000600556.

It is an arithmetic number, because the mean of its divisors is an integer number (11111000600556).

Almost surely, 2^{22222001201111} is an apocalyptic number.

22222001201111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222001201111 is an equidigital number, since it uses as much as digits as its factorization.

22222001201111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22222001201111 its reverse (11110210022222), we get a palindrome (33332211223333).

The spelling of 22222001201111 in words is "twenty-two trillion, two hundred twenty-two billion, one million, two hundred one thousand, one hundred eleven".