1220201022203 has 2 divisors, whose sum is σ = 1220201022204. Its totient is φ = 1220201022202.

The previous prime is 1220201022191. The next prime is 1220201022233. The reversal of 1220201022203 is 3022201020221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220201022203 - 2¹⁸ = 1220200760059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220201022233) 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, 610100511101 + 610100511102.

It is an arithmetic number, because the mean of its divisors is an integer number (610100511102).

Almost surely, 2^{1220201022203} is an apocalyptic number.

1220201022203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220201022203 is an equidigital number, since it uses as much as digits as its factorization.

1220201022203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1220201022203 its reverse (3022201020221), we get a palindrome (4242402042424).

The spelling of 1220201022203 in words is "one trillion, two hundred twenty billion, two hundred one million, twenty-two thousand, two hundred three".