1220211012107 has 2 divisors, whose sum is σ = 1220211012108. Its totient is φ = 1220211012106.

The previous prime is 1220211012023. The next prime is 1220211012157. The reversal of 1220211012107 is 7012101120221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7012101120221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220211012107 - 2¹⁶ = 1220210946571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220211012157) 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, 610105506053 + 610105506054.

It is an arithmetic number, because the mean of its divisors is an integer number (610105506054).

Almost surely, 2^{1220211012107} is an apocalyptic number.

1220211012107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220211012107 is an equidigital number, since it uses as much as digits as its factorization.

1220211012107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 1220211012107 its reverse (7012101120221), we get a palindrome (8232312132328).

The spelling of 1220211012107 in words is "one trillion, two hundred twenty billion, two hundred eleven million, twelve thousand, one hundred seven".