201220120110203 has 2 divisors, whose sum is σ = 201220120110204. Its totient is φ = 201220120110202.

The previous prime is 201220120110169. The next prime is 201220120110253. The reversal of 201220120110203 is 302011021022102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201220120110203 - 2²⁸ = 201219851674747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (201220120110253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610060055101 + 100610060055102.

It is an arithmetic number, because the mean of its divisors is an integer number (100610060055102).

Almost surely, 2^{201220120110203} is an apocalyptic number.

201220120110203 is a deficient number, since it is larger than the sum of its proper divisors (1).

201220120110203 is an equidigital number, since it uses as much as digits as its factorization.

201220120110203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201220120110203 its reverse (302011021022102), we get a palindrome (503231141132305).

The spelling of 201220120110203 in words is "two hundred one trillion, two hundred twenty billion, one hundred twenty million, one hundred ten thousand, two hundred three".