1220222042203 has 2 divisors, whose sum is σ = 1220222042204. Its totient is φ = 1220222042202.

The previous prime is 1220222042201. The next prime is 1220222042219. The reversal of 1220222042203 is 3022402220221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220222042203 - 2¹ = 1220222042201 is a prime.

Together with 1220222042201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1220222042201) 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, 610111021101 + 610111021102.

It is an arithmetic number, because the mean of its divisors is an integer number (610111021102).

Almost surely, 2^{1220222042203} is an apocalyptic number.

1220222042203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220222042203 is an equidigital number, since it uses as much as digits as its factorization.

1220222042203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 1220222042203 its reverse (3022402220221), we get a palindrome (4242624262424).

The spelling of 1220222042203 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, forty-two thousand, two hundred three".