12102122222201 has 4 divisors (see below), whose sum is σ = 13202315151504. Its totient is φ = 11001929292900.

The previous prime is 12102122222189. The next prime is 12102122222207. The reversal of 12102122222201 is 10222222120121.

12102122222201 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 a de Polignac number, because none of the positive numbers 2^k-12102122222201 is a prime.

It is a super-2 number, since 2×12102122222201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102122222207) 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, 550096464635 + ... + 550096464656.

It is an arithmetic number, because the mean of its divisors is an integer number (3300578787876).

Almost surely, 2^{12102122222201} is an apocalyptic number.

12102122222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12102122222201 is a deficient number, since it is larger than the sum of its proper divisors (1100192929303).

12102122222201 is a wasteful number, since it uses less digits than its factorization.

12102122222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100192929302.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12102122222201 its reverse (10222222120121), we get a palindrome (22324344342322).

The spelling of 12102122222201 in words is "twelve trillion, one hundred two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred one".