12211123313101 has 4 divisors (see below), whose sum is σ = 12211131467232. Its totient is φ = 12211115158972.

The previous prime is 12211123313071. The next prime is 12211123313113. The reversal of 12211123313101 is 10131332111221.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12211123313101 - 2⁴¹ = 10012100057549 is a prime.

It is a super-2 number, since 2×12211123313101² (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 (12211123313161) 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, 1111945 + ... + 5065438.

It is an arithmetic number, because the mean of its divisors is an integer number (3052782866808).

Almost surely, 2^{12211123313101} is an apocalyptic number.

It is an amenable number.

12211123313101 is a deficient number, since it is larger than the sum of its proper divisors (8154131).

12211123313101 is an equidigital number, since it uses as much as digits as its factorization.

12211123313101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154130.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 12211123313101 its reverse (10131332111221), we get a palindrome (22342455424322).

The spelling of 12211123313101 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-three million, three hundred thirteen thousand, one hundred one".