12222011101 has 4 divisors (see below), whose sum is σ = 12753402912. Its totient is φ = 11690619292.

The previous prime is 12222011089. The next prime is 12222011107. The reversal of 12222011101 is 10111022221.

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: 10111022221 = 17 ⋅594766013.

It is a cyclic number.

It is not a de Polignac number, because 12222011101 - 2⁷ = 12222010973 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 (12222011107) 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, 265695871 + ... + 265695916.

It is an arithmetic number, because the mean of its divisors is an integer number (3188350728).

Almost surely, 2^12222011101 is an apocalyptic number.

It is an amenable number.

12222011101 is a deficient number, since it is larger than the sum of its proper divisors (531391811).

12222011101 is an equidigital number, since it uses as much as digits as its factorization.

12222011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531391810.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12222011101 its reverse (10111022221), we get a palindrome (22333033322).

The spelling of 12222011101 in words is "twelve billion, two hundred twenty-two million, eleven thousand, one hundred one".