210112212222001 has 8 divisors (see below), whose sum is σ = 210127038561000. Its totient is φ = 210097386416640.

The previous prime is 210112212221963. The next prime is 210112212222047. The reversal of 210112212222001 is 100222212211012.

It can be written as a sum of positive squares in 4 ways, for example, as 15169155457600 + 194943056764401 = 3894760^2 + 13962201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210112212222001 - 2⁹ = 210112212221489 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 210112212222001.

It is not an unprimeable number, because it can be changed into a prime (210112212222301) 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 7 ways as a sum of consecutive naturals, for example, 1066672161 + ... + 1066869121.

It is an arithmetic number, because the mean of its divisors is an integer number (26265879820125).

Almost surely, 2^{210112212222001} is an apocalyptic number.

It is an amenable number.

210112212222001 is a deficient number, since it is larger than the sum of its proper divisors (14826338999).

210112212222001 is a wasteful number, since it uses less digits than its factorization.

210112212222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266819.

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

Adding to 210112212222001 its reverse (100222212211012), we get a palindrome (310334424433013).

The spelling of 210112212222001 in words is "two hundred ten trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, one".