210122200001 has 16 divisors (see below), whose sum is σ = 240729712896. Its totient is φ = 179662504896.

The previous prime is 210122199899. The next prime is 210122200007. The reversal of 210122200001 is 100002221012.

It is a happy number.

It is not a de Polignac number, because 210122200001 - 2¹⁴ = 210122183617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210122200007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9523955 + ... + 9545991.

It is an arithmetic number, because the mean of its divisors is an integer number (15045607056).

Almost surely, 2^210122200001 is an apocalyptic number.

It is an amenable number.

210122200001 is a deficient number, since it is larger than the sum of its proper divisors (30607512895).

210122200001 is a wasteful number, since it uses less digits than its factorization.

210122200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25328.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210122200001 its reverse (100002221012), we get a palindrome (310124421013).

The spelling of 210122200001 in words is "two hundred ten billion, one hundred twenty-two million, two hundred thousand, one".