22011000120191 has 2 divisors, whose sum is σ = 22011000120192. Its totient is φ = 22011000120190.

The previous prime is 22011000120121. The next prime is 22011000120209. The reversal of 22011000120191 is 19102100011022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011000120191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011000120101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005500060095 + 11005500060096.

It is an arithmetic number, because the mean of its divisors is an integer number (11005500060096).

Almost surely, 2^{22011000120191} is an apocalyptic number.

22011000120191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011000120191 is an equidigital number, since it uses as much as digits as its factorization.

22011000120191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 22011000120191 in words is "twenty-two trillion, eleven billion, one hundred twenty thousand, one hundred ninety-one".