12100222220201 has 4 divisors (see below), whose sum is σ = 12101217070992. Its totient is φ = 12099227369412.

The previous prime is 12100222220189. The next prime is 12100222220221. The reversal of 12100222220201 is 10202222200121.

It is a happy number.

12100222220201 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, 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 12100222220201 - 2²⁶ = 12100155111337 is a prime.

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 12100222220201.

It is not an unprimeable number, because it can be changed into a prime (12100222220221) 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, 497407151 + ... + 497431476.

It is an arithmetic number, because the mean of its divisors is an integer number (3025304267748).

Almost surely, 2^{12100222220201} is an apocalyptic number.

It is an amenable number.

12100222220201 is a deficient number, since it is larger than the sum of its proper divisors (994850791).

12100222220201 is an equidigital number, since it uses as much as digits as its factorization.

12100222220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994850790.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12100222220201 its reverse (10202222200121), we get a palindrome (22302444420322).

The spelling of 12100222220201 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, two hundred twenty thousand, two hundred one".