12211112002101 has 4 divisors (see below), whose sum is σ = 16281482669472. Its totient is φ = 8140741334732.

The previous prime is 12211112002093. The next prime is 12211112002123. The reversal of 12211112002101 is 10120021111221.

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 12211112002101 - 2³ = 12211112002093 is a prime.

It is a super-2 number, since 2×12211112002101² (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 (12211112006101) 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, 2035185333681 + ... + 2035185333686.

It is an arithmetic number, because the mean of its divisors is an integer number (4070370667368).

Almost surely, 2^{12211112002101} is an apocalyptic number.

It is an amenable number.

12211112002101 is a deficient number, since it is larger than the sum of its proper divisors (4070370667371).

12211112002101 is an equidigital number, since it uses as much as digits as its factorization.

12211112002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070370667370.

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

Adding to 12211112002101 its reverse (10120021111221), we get a palindrome (22331133113322).

The spelling of 12211112002101 in words is "twelve trillion, two hundred eleven billion, one hundred twelve million, two thousand, one hundred one".