22221211200187 has 2 divisors, whose sum is σ = 22221211200188. Its totient is φ = 22221211200186.

The previous prime is 22221211200173. The next prime is 22221211200241. The reversal of 22221211200187 is 78100211212222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22221211200187 is a prime.

It is not a weakly prime, because it can be changed into another prime (22221911200187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110605600093 + 11110605600094.

It is an arithmetic number, because the mean of its divisors is an integer number (11110605600094).

Almost surely, 2^{22221211200187} is an apocalyptic number.

22221211200187 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221211200187 is an equidigital number, since it uses as much as digits as its factorization.

22221211200187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 22221211200187 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred eleven million, two hundred thousand, one hundred eighty-seven".