210211211222001 has 24 divisors (see below), whose sum is σ = 331243648392384. Its totient is φ = 127400064920160.

The previous prime is 210211211221981. The next prime is 210211211222029. The reversal of 210211211222001 is 100222112112012.

210211211222001 is a `hidden beast` number, since 21 + 0 + 211 + 211 + 2 + 220 + 0 + 1 = 666.

It is not a de Polignac number, because 210211211222001 - 2⁶ = 210211211221937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210211211222401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13702540 + ... + 24661346.

It is an arithmetic number, because the mean of its divisors is an integer number (13801818683016).

Almost surely, 2^{210211211222001} is an apocalyptic number.

It is an amenable number.

210211211222001 is a deficient number, since it is larger than the sum of its proper divisors (121032437170383).

210211211222001 is a wasteful number, since it uses less digits than its factorization.

210211211222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152581 (or 11152578 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210211211222001 its reverse (100222112112012), we get a palindrome (310433323334013).

The spelling of 210211211222001 in words is "two hundred ten trillion, two hundred eleven billion, two hundred eleven million, two hundred twenty-two thousand, one".