222212101122001 has 16 divisors (see below), whose sum is σ = 228199651384320. Its totient is φ = 216262804539600.

The previous prime is 222212101121993. The next prime is 222212101122043. The reversal of 222212101122001 is 100221101212222.

It is a cyclic number.

It is not a de Polignac number, because 222212101122001 - 2³ = 222212101121993 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 222212101122001.

It is not an unprimeable number, because it can be changed into a prime (222212101129001) 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, 12994426 + ... + 24764476.

It is an arithmetic number, because the mean of its divisors is an integer number (14262478211520).

Almost surely, 2^{222212101122001} is an apocalyptic number.

It is an amenable number.

222212101122001 is a deficient number, since it is larger than the sum of its proper divisors (5987550262319).

222212101122001 is a wasteful number, since it uses less digits than its factorization.

222212101122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11771676.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222212101122001 its reverse (100221101212222), we get a palindrome (322433202334223).

The spelling of 222212101122001 in words is "two hundred twenty-two trillion, two hundred twelve billion, one hundred one million, one hundred twenty-two thousand, one".