210100122222201 has 24 divisors (see below), whose sum is σ = 322426286811720. Its totient is φ = 131377604338176.

The previous prime is 210100122222139. The next prime is 210100122222239. The reversal of 210100122222201 is 102222221001012.

It is a happy number.

210100122222201 is a `hidden beast` number, since 21 + 0 + 100 + 122 + 222 + 201 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 180152741565801 + 29947380656400 = 13422099^2 + 5472420^2 .

It is not a de Polignac number, because 210100122222201 - 2²⁹ = 210099585351289 is a prime.

It is a super-2 number, since 2×210100122222201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210100122227201) 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, 2343305706 + ... + 2343395363.

It is an arithmetic number, because the mean of its divisors is an integer number (13434428617155).

Almost surely, 2^{210100122222201} is an apocalyptic number.

It is an amenable number.

210100122222201 is a deficient number, since it is larger than the sum of its proper divisors (112326164589519).

210100122222201 is a wasteful number, since it uses less digits than its factorization.

210100122222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686701385 (or 4686701382 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210100122222201 its reverse (102222221001012), we get a palindrome (312322343223213).

The spelling of 210100122222201 in words is "two hundred ten trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred one".