201211001000122 has 32 divisors (see below), whose sum is σ = 314118967599360. Its totient is φ = 96586995395520.

The previous prime is 201211001000111. The next prime is 201211001000129. The reversal of 201211001000122 is 221000100112102.

It is not an unprimeable number, because it can be changed into a prime (201211001000129) 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, 6011797 + ... + 20941912.

It is an arithmetic number, because the mean of its divisors is an integer number (9816217737480).

Almost surely, 2^{201211001000122} is an apocalyptic number.

201211001000122 is a deficient number, since it is larger than the sum of its proper divisors (112907966599238).

201211001000122 is a wasteful number, since it uses less digits than its factorization.

201211001000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26955238.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201211001000122 its reverse (221000100112102), we get a palindrome (422211101112224).

The spelling of 201211001000122 in words is "two hundred one trillion, two hundred eleven billion, one million, one hundred twenty-two", and thus it is an aban number.