1222221100207 has 2 divisors, whose sum is σ = 1222221100208. Its totient is φ = 1222221100206.

The previous prime is 1222221100189. The next prime is 1222221100211. The reversal of 1222221100207 is 7020011222221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222221100207 - 2²⁷ = 1222086882479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222221107207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611110550103 + 611110550104.

It is an arithmetic number, because the mean of its divisors is an integer number (611110550104).

Almost surely, 2^{1222221100207} is an apocalyptic number.

1222221100207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222221100207 is an equidigital number, since it uses as much as digits as its factorization.

1222221100207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 1222221100207 its reverse (7020011222221), we get a palindrome (8242232322428).

The spelling of 1222221100207 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred thousand, two hundred seven".