12100221043 has 2 divisors, whose sum is σ = 12100221044. Its totient is φ = 12100221042.

The previous prime is 12100220999. The next prime is 12100221047. The reversal of 12100221043 is 34012200121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12100221043 - 2²⁵ = 12066666611 is a prime.

It is not a weakly prime, because it can be changed into another prime (12100221047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050110521 + 6050110522.

It is an arithmetic number, because the mean of its divisors is an integer number (6050110522).

Almost surely, 2^12100221043 is an apocalyptic number.

12100221043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100221043 is an equidigital number, since it uses as much as digits as its factorization.

12100221043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12100221043 its reverse (34012200121), we get a palindrome (46112421164).

The spelling of 12100221043 in words is "twelve billion, one hundred million, two hundred twenty-one thousand, forty-three".