1220221112203 has 2 divisors, whose sum is σ = 1220221112204. Its totient is φ = 1220221112202.

The previous prime is 1220221112197. The next prime is 1220221112207. The reversal of 1220221112203 is 3022111220221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220221112203 - 2²¹ = 1220219015051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220221112207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610110556101 + 610110556102.

It is an arithmetic number, because the mean of its divisors is an integer number (610110556102).

Almost surely, 2^{1220221112203} is an apocalyptic number.

1220221112203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220221112203 is an equidigital number, since it uses as much as digits as its factorization.

1220221112203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1220221112203 its reverse (3022111220221), we get a palindrome (4242332332424).

The spelling of 1220221112203 in words is "one trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, two hundred three".