22122011121191 has 2 divisors, whose sum is σ = 22122011121192. Its totient is φ = 22122011121190.

The previous prime is 22122011121107. The next prime is 22122011121241. The reversal of 22122011121191 is 19112111022122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22122011121191 - 2⁴² = 17723964610087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22122011121191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122011121491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061005560595 + 11061005560596.

It is an arithmetic number, because the mean of its divisors is an integer number (11061005560596).

Almost surely, 2^{22122011121191} is an apocalyptic number.

22122011121191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122011121191 is an equidigital number, since it uses as much as digits as its factorization.

22122011121191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 22122011121191 in words is "twenty-two trillion, one hundred twenty-two billion, eleven million, one hundred twenty-one thousand, one hundred ninety-one".