12201110201122 has 4 divisors (see below), whose sum is σ = 18301665301686. Its totient is φ = 6100555100560.

The previous prime is 12201110201017. The next prime is 12201110201123. The reversal of 12201110201122 is 22110201110221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11372265653841 + 828844547281 = 3372279^2 + 910409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12201110201096 and 12201110201105.

It is not an unprimeable number, because it can be changed into a prime (12201110201123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050277550279 + ... + 3050277550282.

Almost surely, 2^{12201110201122} is an apocalyptic number.

12201110201122 is a deficient number, since it is larger than the sum of its proper divisors (6100555100564).

12201110201122 is an equidigital number, since it uses as much as digits as its factorization.

12201110201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100555100563.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12201110201122 its reverse (22110201110221), we get a palindrome (34311311311343).

Subtracting 12201110201122 from its reverse (22110201110221), we obtain a palindrome (9909090909099).

The spelling of 12201110201122 in words is "twelve trillion, two hundred one billion, one hundred ten million, two hundred one thousand, one hundred twenty-two".