1220211106799 has 2 divisors, whose sum is σ = 1220211106800. Its totient is φ = 1220211106798.

The previous prime is 1220211106789. The next prime is 1220211106823. The reversal of 1220211106799 is 9976011120221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220211106799 - 2¹² = 1220211102703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220211106739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610105553399 + 610105553400.

It is an arithmetic number, because the mean of its divisors is an integer number (610105553400).

Almost surely, 2^{1220211106799} is an apocalyptic number.

1220211106799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220211106799 is an equidigital number, since it uses as much as digits as its factorization.

1220211106799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 41.

The spelling of 1220211106799 in words is "one trillion, two hundred twenty billion, two hundred eleven million, one hundred six thousand, seven hundred ninety-nine".