1220101121203 has 2 divisors, whose sum is σ = 1220101121204. Its totient is φ = 1220101121202.

The previous prime is 1220101121191. The next prime is 1220101121209. The reversal of 1220101121203 is 3021211010221.

It is a strong prime.

It is an emirp because it is prime and its reverse (3021211010221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220101121203 - 2⁹ = 1220101120691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220101121209) 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, 610050560601 + 610050560602.

It is an arithmetic number, because the mean of its divisors is an integer number (610050560602).

Almost surely, 2^{1220101121203} is an apocalyptic number.

1220101121203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220101121203 is an equidigital number, since it uses as much as digits as its factorization.

1220101121203 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 1220101121203 its reverse (3021211010221), we get a palindrome (4241312131424).

The spelling of 1220101121203 in words is "one trillion, two hundred twenty billion, one hundred one million, one hundred twenty-one thousand, two hundred three".