12201101002221 has 16 divisors (see below), whose sum is σ = 16276144751808. Its totient is φ = 8130062793600.

The previous prime is 12201101002177. The next prime is 12201101002231. The reversal of 12201101002221 is 12220010110221.

It is not a de Polignac number, because 12201101002221 - 2⁷ = 12201101002093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12201101002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201101002231) 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, 114477726 + ... + 114584256.

It is an arithmetic number, because the mean of its divisors is an integer number (1017259046988).

Almost surely, 2^{12201101002221} is an apocalyptic number.

It is an amenable number.

12201101002221 is a deficient number, since it is larger than the sum of its proper divisors (4075043749587).

12201101002221 is a wasteful number, since it uses less digits than its factorization.

12201101002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124972.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201101002221 its reverse (12220010110221), we get a palindrome (24421111112442).

The spelling of 12201101002221 in words is "twelve trillion, two hundred one billion, one hundred one million, two thousand, two hundred twenty-one".