1202221103 has 4 divisors (see below), whose sum is σ = 1202298720. Its totient is φ = 1202143488.

The previous prime is 1202221099. The next prime is 1202221121. The reversal of 1202221103 is 3011222021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3011222021 = 2477 ⋅1215673.

It is a cyclic number.

It is not a de Polignac number, because 1202221103 - 2² = 1202221099 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 (1202221183) 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, 6743 + ... + 49496.

It is an arithmetic number, because the mean of its divisors is an integer number (300574680).

Almost surely, 2^1202221103 is an apocalyptic number.

1202221103 is a deficient number, since it is larger than the sum of its proper divisors (77617).

1202221103 is an equidigital number, since it uses as much as digits as its factorization.

1202221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77616.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1202221103 is about 34673.0601908744. The cubic root of 1202221103 is about 1063.3137967954.

Adding to 1202221103 its reverse (3011222021), we get a palindrome (4213443124).

The spelling of 1202221103 in words is "one billion, two hundred two million, two hundred twenty-one thousand, one hundred three".