201001210002122 has 16 divisors (see below), whose sum is σ = 301547803415040. Its totient is φ = 100485276054528.

The previous prime is 201001210002113. The next prime is 201001210002127. The reversal of 201001210002122 is 221200012100102.

It is a junction number, because it is equal to n+sod(n) for n = 201001210002097 and 201001210002106.

It is not an unprimeable number, because it can be changed into a prime (201001210002127) 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 7 ways as a sum of consecutive naturals, for example, 1116775754 + ... + 1116955722.

It is an arithmetic number, because the mean of its divisors is an integer number (18846737713440).

Almost surely, 2^{201001210002122} is an apocalyptic number.

201001210002122 is a deficient number, since it is larger than the sum of its proper divisors (100546593412918).

201001210002122 is a wasteful number, since it uses less digits than its factorization.

201001210002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262045.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201001210002122 its reverse (221200012100102), we get a palindrome (422201222102224).

The spelling of 201001210002122 in words is "two hundred one trillion, one billion, two hundred ten million, two thousand, one hundred twenty-two".