12010022111 has 4 divisors (see below), whose sum is σ = 12179177424. Its totient is φ = 11840866800.

The previous prime is 12010022093. The next prime is 12010022119. The reversal of 12010022111 is 11122001021.

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 12010022111 - 2³⁰ = 10936280287 is a prime.

It is a super-2 number, since 2×12010022111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010022092 and 12010022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010022119) 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, 84577550 + ... + 84577691.

It is an arithmetic number, because the mean of its divisors is an integer number (3044794356).

Almost surely, 2^12010022111 is an apocalyptic number.

12010022111 is a deficient number, since it is larger than the sum of its proper divisors (169155313).

12010022111 is an equidigital number, since it uses as much as digits as its factorization.

12010022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169155312.

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

Adding to 12010022111 its reverse (11122001021), we get a palindrome (23132023132).

The spelling of 12010022111 in words is "twelve billion, ten million, twenty-two thousand, one hundred eleven".