122212111221199 has 2 divisors, whose sum is σ = 122212111221200. Its totient is φ = 122212111221198.

The previous prime is 122212111221169. The next prime is 122212111221209. The reversal of 122212111221199 is 991122111212221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122212111221199 - 2⁷ = 122212111221071 is a prime.

It is a super-2 number, since 2×122212111221199² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122212111221169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106055610599 + 61106055610600.

It is an arithmetic number, because the mean of its divisors is an integer number (61106055610600).

Almost surely, 2^{122212111221199} is an apocalyptic number.

122212111221199 is a deficient number, since it is larger than the sum of its proper divisors (1).

122212111221199 is an equidigital number, since it uses as much as digits as its factorization.

122212111221199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 37.

The spelling of 122212111221199 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred eleven million, two hundred twenty-one thousand, one hundred ninety-nine".