12221112201001 has 72 divisors (see below), whose sum is σ = 13854358708736. Its totient is φ = 10770122880000.

The previous prime is 12221112200933. The next prime is 12221112201007. The reversal of 12221112201001 is 10010221112221.

It is a de Polignac number, because none of the positive numbers 2^k-12221112201001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221112201007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12332100616 + ... + 12332101606.

Almost surely, 2^{12221112201001} is an apocalyptic number.

12221112201001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12221112201001 is a deficient number, since it is larger than the sum of its proper divisors (1633246507735).

12221112201001 is a wasteful number, since it uses less digits than its factorization.

12221112201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1303 counting only the distinct ones).

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

Adding to 12221112201001 its reverse (10010221112221), we get a palindrome (22231333313222).

It can be divided in two parts, 1222111220 and 1001, that added together give a palindrome (1222112221).

The spelling of 12221112201001 in words is "twelve trillion, two hundred twenty-one billion, one hundred twelve million, two hundred one thousand, one".