12010221113 has 4 divisors (see below), whose sum is σ = 13102059408. Its totient is φ = 10918382820.

The previous prime is 12010221079. The next prime is 12010221151. The reversal of 12010221113 is 31112201021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31112201021 = 11 ⋅2828381911.

It is a cyclic number.

It is not a de Polignac number, because 12010221113 - 2⁶ = 12010221049 is a prime.

It is a super-2 number, since 2×12010221113² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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, 545919131 + ... + 545919152.

It is an arithmetic number, because the mean of its divisors is an integer number (3275514852).

Almost surely, 2^12010221113 is an apocalyptic number.

It is an amenable number.

12010221113 is a deficient number, since it is larger than the sum of its proper divisors (1091838295).

12010221113 is a wasteful number, since it uses less digits than its factorization.

12010221113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091838294.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12010221113 its reverse (31112201021), we get a palindrome (43122422134).

The spelling of 12010221113 in words is "twelve billion, ten million, two hundred twenty-one thousand, one hundred thirteen".