12122210021101 has 4 divisors (see below), whose sum is σ = 12229486216092. Its totient is φ = 12014933826112.

The previous prime is 12122210021093. The next prime is 12122210021149. The reversal of 12122210021101 is 10112001222121.

12122210021101 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.

It can be written as a sum of positive squares in 2 ways, for example, as 784517632900 + 11337692388201 = 885730^2 + 3367149^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122210021101 - 2³ = 12122210021093 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 (12122210031101) 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, 53638097326 + ... + 53638097551.

It is an arithmetic number, because the mean of its divisors is an integer number (3057371554023).

Almost surely, 2^{12122210021101} is an apocalyptic number.

It is an amenable number.

12122210021101 is a deficient number, since it is larger than the sum of its proper divisors (107276194991).

12122210021101 is a wasteful number, since it uses less digits than its factorization.

12122210021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107276194990.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12122210021101 its reverse (10112001222121), we get a palindrome (22234211243222).

The spelling of 12122210021101 in words is "twelve trillion, one hundred twenty-two billion, two hundred ten million, twenty-one thousand, one hundred one".