12212110101 has 4 divisors (see below), whose sum is σ = 16282813472. Its totient is φ = 8141406732.

The previous prime is 12212110093. The next prime is 12212110109. The reversal of 12212110101 is 10101121221.

12212110101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is an interprime number because it is at equal distance from previous prime (12212110093) and next prime (12212110109).

It is not a de Polignac number, because 12212110101 - 2³ = 12212110093 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 (12212110109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2035351681 + ... + 2035351686.

It is an arithmetic number, because the mean of its divisors is an integer number (4070703368).

Almost surely, 2^12212110101 is an apocalyptic number.

It is an amenable number.

12212110101 is a deficient number, since it is larger than the sum of its proper divisors (4070703371).

12212110101 is an equidigital number, since it uses as much as digits as its factorization.

12212110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070703370.

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

Adding to 12212110101 its reverse (10101121221), we get a palindrome (22313231322).

The spelling of 12212110101 in words is "twelve billion, two hundred twelve million, one hundred ten thousand, one hundred one".