1220211122003 has 2 divisors, whose sum is σ = 1220211122004. Its totient is φ = 1220211122002.

The previous prime is 1220211121999. The next prime is 1220211122029. The reversal of 1220211122003 is 3002211120221.

It is a weak prime.

It is an emirp because it is prime and its reverse (3002211120221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220211122003 - 2² = 1220211121999 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220211152003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610105561001 + 610105561002.

It is an arithmetic number, because the mean of its divisors is an integer number (610105561002).

Almost surely, 2^{1220211122003} is an apocalyptic number.

1220211122003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220211122003 is an equidigital number, since it uses as much as digits as its factorization.

1220211122003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1220211122003 its reverse (3002211120221), we get a palindrome (4222422242224).

The spelling of 1220211122003 in words is "one trillion, two hundred twenty billion, two hundred eleven million, one hundred twenty-two thousand, three".