1220211007 has 2 divisors, whose sum is σ = 1220211008. Its totient is φ = 1220211006.

The previous prime is 1220211001. The next prime is 1220211017. The reversal of 1220211007 is 7001120221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220211007 - 2²³ = 1211822399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220211001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610105503 + 610105504.

It is an arithmetic number, because the mean of its divisors is an integer number (610105504).

Almost surely, 2^1220211007 is an apocalyptic number.

1220211007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220211007 is an equidigital number, since it uses as much as digits as its factorization.

1220211007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1220211007 is about 34931.5188189692. The cubic root of 1220211007 is about 1068.5913296722.

Adding to 1220211007 its reverse (7001120221), we get a palindrome (8221331228).

The spelling of 1220211007 in words is "one billion, two hundred twenty million, two hundred eleven thousand, seven".