22200121022111 has 2 divisors, whose sum is σ = 22200121022112. Its totient is φ = 22200121022110.

The previous prime is 22200121022029. The next prime is 22200121022141. The reversal of 22200121022111 is 11122012100222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22200121022111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22200121022111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22200121022141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100060511055 + 11100060511056.

It is an arithmetic number, because the mean of its divisors is an integer number (11100060511056).

Almost surely, 2^{22200121022111} is an apocalyptic number.

22200121022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200121022111 is an equidigital number, since it uses as much as digits as its factorization.

22200121022111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22200121022111 its reverse (11122012100222), we get a palindrome (33322133122333).

The spelling of 22200121022111 in words is "twenty-two trillion, two hundred billion, one hundred twenty-one million, twenty-two thousand, one hundred eleven".