222120210112001 has 32 divisors (see below), whose sum is σ = 231385513835520. Its totient is φ = 212968335283200.

The previous prime is 222120210111953. The next prime is 222120210112033. The reversal of 222120210112001 is 100211012021222.

It is a cyclic number.

It is not a de Polignac number, because 222120210112001 - 2¹⁰ = 222120210110977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222120210112901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2940666431 + ... + 2940741963.

It is an arithmetic number, because the mean of its divisors is an integer number (7230797307360).

Almost surely, 2^{222120210112001} is an apocalyptic number.

It is an amenable number.

222120210112001 is a deficient number, since it is larger than the sum of its proper divisors (9265303723519).

222120210112001 is a wasteful number, since it uses less digits than its factorization.

222120210112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77057.

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

Adding to 222120210112001 its reverse (100211012021222), we get a palindrome (322331222133223).

The spelling of 222120210112001 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred ten million, one hundred twelve thousand, one".