1220211106927 has 2 divisors, whose sum is σ = 1220211106928. Its totient is φ = 1220211106926.

The previous prime is 1220211106853. The next prime is 1220211106949. The reversal of 1220211106927 is 7296011120221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220211106927 - 2⁷ = 1220211106799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220211106892 and 1220211106901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220211106327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610105553463 + 610105553464.

It is an arithmetic number, because the mean of its divisors is an integer number (610105553464).

Almost surely, 2^{1220211106927} is an apocalyptic number.

1220211106927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220211106927 is an equidigital number, since it uses as much as digits as its factorization.

1220211106927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 1220211106927 in words is "one trillion, two hundred twenty billion, two hundred eleven million, one hundred six thousand, nine hundred twenty-seven".