210210121122001 has 24 divisors (see below), whose sum is σ = 284378345690432. Its totient is φ = 151200087112800.

The previous prime is 210210121121999. The next prime is 210210121122073. The reversal of 210210121122001 is 100221121012012.

It is not a de Polignac number, because 210210121122001 - 2¹ = 210210121121999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210210121122301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9545449035 + ... + 9545471056.

Almost surely, 2^{210210121122001} is an apocalyptic number.

It is an amenable number.

210210121122001 is a deficient number, since it is larger than the sum of its proper divisors (74168224568431).

210210121122001 is a wasteful number, since it uses less digits than its factorization.

210210121122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19090920133 (or 19090920122 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210210121122001 its reverse (100221121012012), we get a palindrome (310431242134013).

The spelling of 210210121122001 in words is "two hundred ten trillion, two hundred ten billion, one hundred twenty-one million, one hundred twenty-two thousand, one".