210210220122001 has 32 divisors (see below), whose sum is σ = 243019848758400. Its totient is φ = 180005859264000.

The previous prime is 210210220121981. The next prime is 210210220122029. The reversal of 210210220122001 is 100221022012012.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-210210220122001 is a prime.

It is a super-2 number, since 2×210210220122001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210210220122401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 602649835 + ... + 602998543.

It is an arithmetic number, because the mean of its divisors is an integer number (7594370273700).

Almost surely, 2^{210210220122001} is an apocalyptic number.

It is an amenable number.

210210220122001 is a deficient number, since it is larger than the sum of its proper divisors (32809628636399).

210210220122001 is a wasteful number, since it uses less digits than its factorization.

210210220122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394881.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210210220122001 its reverse (100221022012012), we get a palindrome (310431242134013).

The spelling of 210210220122001 in words is "two hundred ten trillion, two hundred ten billion, two hundred twenty million, one hundred twenty-two thousand, one".