201220103 has 4 divisors (see below), whose sum is σ = 229965840. Its totient is φ = 172474368.

The previous prime is 201220073. The next prime is 201220199. The reversal of 201220103 is 301022102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201220103 - 2¹⁴ = 201203719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14372858 + ... + 14372871.

It is an arithmetic number, because the mean of its divisors is an integer number (57491460).

Almost surely, 2^201220103 is an apocalyptic number.

201220103 is a deficient number, since it is larger than the sum of its proper divisors (28745737).

201220103 is an equidigital number, since it uses as much as digits as its factorization.

201220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28745736.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201220103 is about 14185.2071891813. The cubic root of 201220103 is about 585.9903384973.

Adding to 201220103 its reverse (301022102), we get a palindrome (502242205).

The spelling of 201220103 in words is "two hundred one million, two hundred twenty thousand, one hundred three".