12211210032101 has 4 divisors (see below), whose sum is σ = 12211239501804. Its totient is φ = 12211180562400.

The previous prime is 12211210032097. The next prime is 12211210032103. The reversal of 12211210032101 is 10123001211221.

It is a happy number.

12211210032101 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 6973565844001 + 5237644188100 = 2640751^2 + 2288590^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211210032101 - 2² = 12211210032097 is a prime.

It is a super-2 number, since 2×12211210032101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12211210032101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211210032103) 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, 14104310 + ... + 14945031.

It is an arithmetic number, because the mean of its divisors is an integer number (3052809875451).

Almost surely, 2^{12211210032101} is an apocalyptic number.

It is an amenable number.

12211210032101 is a deficient number, since it is larger than the sum of its proper divisors (29469703).

12211210032101 is an equidigital number, since it uses as much as digits as its factorization.

12211210032101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29469702.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12211210032101 its reverse (10123001211221), we get a palindrome (22334211243322).

The spelling of 12211210032101 in words is "twelve trillion, two hundred eleven billion, two hundred ten million, thirty-two thousand, one hundred one".