12010202111 has 4 divisors (see below), whose sum is σ = 12236809752. Its totient is φ = 11783594472.

The previous prime is 12010202107. The next prime is 12010202147. The reversal of 12010202111 is 11120201021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11120201021 = 7603 ⋅1462607.

It is a cyclic number.

It is not a de Polignac number, because 12010202111 - 2² = 12010202107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010202092 and 12010202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010202101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113303741 + ... + 113303846.

It is an arithmetic number, because the mean of its divisors is an integer number (3059202438).

Almost surely, 2^12010202111 is an apocalyptic number.

12010202111 is a deficient number, since it is larger than the sum of its proper divisors (226607641).

12010202111 is an equidigital number, since it uses as much as digits as its factorization.

12010202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226607640.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12010202111 its reverse (11120201021), we get a palindrome (23130403132).

The spelling of 12010202111 in words is "twelve billion, ten million, two hundred two thousand, one hundred eleven".