12010221000111 has 4 divisors (see below), whose sum is σ = 16013628000152. Its totient is φ = 8006814000072.

The previous prime is 12010221000091. The next prime is 12010221000119. The reversal of 12010221000111 is 11100012201021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12010221000111 - 2⁶ = 12010221000047 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 (12010221000119) 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, 2001703500016 + ... + 2001703500021.

It is an arithmetic number, because the mean of its divisors is an integer number (4003407000038).

Almost surely, 2^{12010221000111} is an apocalyptic number.

12010221000111 is a deficient number, since it is larger than the sum of its proper divisors (4003407000041).

12010221000111 is an equidigital number, since it uses as much as digits as its factorization.

12010221000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003407000040.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12010221000111 its reverse (11100012201021), we get a palindrome (23110233201132).

The spelling of 12010221000111 in words is "twelve trillion, ten billion, two hundred twenty-one million, one hundred eleven", and thus it is an aban number.