1222100000999 has 2 divisors, whose sum is σ = 1222100001000. Its totient is φ = 1222100000998.

The previous prime is 1222100000981. The next prime is 1222100001011. The reversal of 1222100000999 is 9990000012221.

It is a strong prime.

It is an emirp because it is prime and its reverse (9990000012221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222100000999 - 2³² = 1217805033703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222100000699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611050000499 + 611050000500.

It is an arithmetic number, because the mean of its divisors is an integer number (611050000500).

Almost surely, 2^{1222100000999} is an apocalyptic number.

1222100000999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222100000999 is an equidigital number, since it uses as much as digits as its factorization.

1222100000999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 1222100000999 in words is "one trillion, two hundred twenty-two billion, one hundred million, nine hundred ninety-nine", and thus it is an aban number.