222100111000997 has 2 divisors, whose sum is σ = 222100111000998. Its totient is φ = 222100111000996.

The previous prime is 222100111000921. The next prime is 222100111001039. The reversal of 222100111000997 is 799000111001222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114325835290276 + 107774275710721 = 10692326^2 + 10381439^2 .

It is a cyclic number.

It is not a de Polignac number, because 222100111000997 - 2¹⁰ = 222100110999973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222100111000697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050055500498 + 111050055500499.

It is an arithmetic number, because the mean of its divisors is an integer number (111050055500499).

Almost surely, 2^{222100111000997} is an apocalyptic number.

It is an amenable number.

222100111000997 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100111000997 is an equidigital number, since it uses as much as digits as its factorization.

222100111000997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 222100111000997 in words is "two hundred twenty-two trillion, one hundred billion, one hundred eleven million, nine hundred ninety-seven", and thus it is an aban number.