12201111222101 has 16 divisors (see below), whose sum is σ = 13069110878208. Its totient is φ = 11370497569200.

The previous prime is 12201111222061. The next prime is 12201111222109. The reversal of 12201111222101 is 10122211110221.

It is a cyclic number.

It is not a de Polignac number, because 12201111222101 - 2⁶ = 12201111222037 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 12201111222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201111222109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64363961 + ... + 64553246.

It is an arithmetic number, because the mean of its divisors is an integer number (816819429888).

Almost surely, 2^{12201111222101} is an apocalyptic number.

It is an amenable number.

12201111222101 is a deficient number, since it is larger than the sum of its proper divisors (867999656107).

12201111222101 is a wasteful number, since it uses less digits than its factorization.

12201111222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128917352.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12201111222101 its reverse (10122211110221), we get a palindrome (22323322332322).

The spelling of 12201111222101 in words is "twelve trillion, two hundred one billion, one hundred eleven million, two hundred twenty-two thousand, one hundred one".