201000012122122 has 16 divisors (see below), whose sum is σ = 304816489430400. Its totient is φ = 99396681152400.

The previous prime is 201000012122099. The next prime is 201000012122141. The reversal of 201000012122122 is 221221210000102.

It is a happy number.

201000012122122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201000012122096 and 201000012122105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541190622 + ... + 541561897.

It is an arithmetic number, because the mean of its divisors is an integer number (19051030589400).

Almost surely, 2^{201000012122122} is an apocalyptic number.

201000012122122 is a deficient number, since it is larger than the sum of its proper divisors (103816477308278).

201000012122122 is a wasteful number, since it uses less digits than its factorization.

201000012122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082753541.

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

Adding to 201000012122122 its reverse (221221210000102), we get a palindrome (422221222122224).

The spelling of 201000012122122 in words is "two hundred one trillion, twelve million, one hundred twenty-two thousand, one hundred twenty-two".