22222219011911 has 2 divisors, whose sum is σ = 22222219011912. Its totient is φ = 22222219011910.

The previous prime is 22222219011803. The next prime is 22222219011959. The reversal of 22222219011911 is 11911091222222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22222219011911 - 2³⁰ = 22221145270087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222219011611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111109505955 + 11111109505956.

It is an arithmetic number, because the mean of its divisors is an integer number (11111109505956).

Almost surely, 2^{22222219011911} is an apocalyptic number.

22222219011911 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222219011911 is an equidigital number, since it uses as much as digits as its factorization.

22222219011911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 22222219011911 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred nineteen million, eleven thousand, nine hundred eleven".