12211200112101 has 4 divisors (see below), whose sum is σ = 16281600149472. Its totient is φ = 8140800074732.

The previous prime is 12211200112063. The next prime is 12211200112129. The reversal of 12211200112101 is 10121100211221.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 12211200112101 - 2⁶ = 12211200112037 is a prime.

It is a super-2 number, since 2×12211200112101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211200112301) 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, 2035200018681 + ... + 2035200018686.

It is an arithmetic number, because the mean of its divisors is an integer number (4070400037368).

Almost surely, 2^{12211200112101} is an apocalyptic number.

It is an amenable number.

12211200112101 is a deficient number, since it is larger than the sum of its proper divisors (4070400037371).

12211200112101 is an equidigital number, since it uses as much as digits as its factorization.

12211200112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070400037370.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12211200112101 its reverse (10121100211221), we get a palindrome (22332300323322).

The spelling of 12211200112101 in words is "twelve trillion, two hundred eleven billion, two hundred million, one hundred twelve thousand, one hundred one".