12010221103 has 4 divisors (see below), whose sum is σ = 12010713048. Its totient is φ = 12009729160.

The previous prime is 12010221079. The next prime is 12010221151. The reversal of 12010221103 is 30112201021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30112201021 = 7 ⋅4301743003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12010221103 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 (12010221173) 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, 207328 + ... + 258853.

It is an arithmetic number, because the mean of its divisors is an integer number (3002678262).

Almost surely, 2^12010221103 is an apocalyptic number.

12010221103 is a deficient number, since it is larger than the sum of its proper divisors (491945).

12010221103 is an equidigital number, since it uses as much as digits as its factorization.

12010221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491944.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12010221103 its reverse (30112201021), we get a palindrome (42122422124).

The spelling of 12010221103 in words is "twelve billion, ten million, two hundred twenty-one thousand, one hundred three".