222201112120001 has 16 divisors (see below), whose sum is σ = 255944717783040. Its totient is φ = 188957665935360.

The previous prime is 222201112119977. The next prime is 222201112120259. The reversal of 222201112120001 is 100021211102222.

It is a de Polignac number, because none of the positive numbers 2^k-222201112120001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222201112126001) 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 15 ways as a sum of consecutive naturals, for example, 399709121 + ... + 400264641.

It is an arithmetic number, because the mean of its divisors is an integer number (15996544861440).

Almost surely, 2^{222201112120001} is an apocalyptic number.

It is an amenable number.

222201112120001 is a deficient number, since it is larger than the sum of its proper divisors (33743605663039).

222201112120001 is a wasteful number, since it uses less digits than its factorization.

222201112120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005584.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222201112120001 its reverse (100021211102222), we get a palindrome (322222323222223).

The spelling of 222201112120001 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twelve million, one hundred twenty thousand, one".