22202121187 has 2 divisors, whose sum is σ = 22202121188. Its totient is φ = 22202121186.

The previous prime is 22202121169. The next prime is 22202121197. The reversal of 22202121187 is 78112120222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22202121187 - 2²³ = 22193732579 is a prime.

It is not a weakly prime, because it can be changed into another prime (22202121197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101060593 + 11101060594.

It is an arithmetic number, because the mean of its divisors is an integer number (11101060594).

Almost surely, 2^22202121187 is an apocalyptic number.

22202121187 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202121187 is an equidigital number, since it uses as much as digits as its factorization.

22202121187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

The spelling of 22202121187 in words is "twenty-two billion, two hundred two million, one hundred twenty-one thousand, one hundred eighty-seven".