222112220104997 has 2 divisors, whose sum is σ = 222112220104998. Its totient is φ = 222112220104996.

The previous prime is 222112220104927. The next prime is 222112220105011. The reversal of 222112220104997 is 799401022211222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204895147877281 + 17217072227716 = 14314159^2 + 4149346^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112220104997 - 2⁸ = 222112220104741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112220104927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056110052498 + 111056110052499.

It is an arithmetic number, because the mean of its divisors is an integer number (111056110052499).

Almost surely, 2^{222112220104997} is an apocalyptic number.

It is an amenable number.

222112220104997 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112220104997 is an equidigital number, since it uses as much as digits as its factorization.

222112220104997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 222112220104997 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twenty million, one hundred four thousand, nine hundred ninety-seven".