12211120002101 has 4 divisors (see below), whose sum is σ = 12243857589612. Its totient is φ = 12178382414592.

The previous prime is 12211120002097. The next prime is 12211120002127. The reversal of 12211120002101 is 10120002111221.

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 5805083071876 + 6406036930225 = 2409374^2 + 2531015^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211120002101 - 2² = 12211120002097 is a prime.

It is a super-2 number, since 2×12211120002101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211120002901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16368793196 + ... + 16368793941.

It is an arithmetic number, because the mean of its divisors is an integer number (3060964397403).

Almost surely, 2^{12211120002101} is an apocalyptic number.

It is an amenable number.

12211120002101 is a deficient number, since it is larger than the sum of its proper divisors (32737587511).

12211120002101 is an equidigital number, since it uses as much as digits as its factorization.

12211120002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32737587510.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12211120002101 its reverse (10120002111221), we get a palindrome (22331122113322).

The spelling of 12211120002101 in words is "twelve trillion, two hundred eleven billion, one hundred twenty million, two thousand, one hundred one".