1220211101203 has 2 divisors, whose sum is σ = 1220211101204. Its totient is φ = 1220211101202.

The previous prime is 1220211101173. The next prime is 1220211101269. The reversal of 1220211101203 is 3021011120221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220211101203 - 2¹⁷ = 1220210970131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220211101273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610105550601 + 610105550602.

It is an arithmetic number, because the mean of its divisors is an integer number (610105550602).

Almost surely, 2^{1220211101203} is an apocalyptic number.

1220211101203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220211101203 is an equidigital number, since it uses as much as digits as its factorization.

1220211101203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1220211101203 its reverse (3021011120221), we get a palindrome (4241222221424).

The spelling of 1220211101203 in words is "one trillion, two hundred twenty billion, two hundred eleven million, one hundred one thousand, two hundred three".