22011201222191 has 2 divisors, whose sum is σ = 22011201222192. Its totient is φ = 22011201222190.

The previous prime is 22011201222181. The next prime is 22011201222209. The reversal of 22011201222191 is 19122210211022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22011201222191 - 2¹⁰ = 22011201221167 is a prime.

It is a super-3 number, since 3×22011201222191³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22011201222191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011201222121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005600611095 + 11005600611096.

It is an arithmetic number, because the mean of its divisors is an integer number (11005600611096).

Almost surely, 2^{22011201222191} is an apocalyptic number.

22011201222191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011201222191 is an equidigital number, since it uses as much as digits as its factorization.

22011201222191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 22011201222191 in words is "twenty-two trillion, eleven billion, two hundred one million, two hundred twenty-two thousand, one hundred ninety-one".