201201111001122 has 16 divisors (see below), whose sum is σ = 402412174809120. Its totient is φ = 67065378199232.

The previous prime is 201201111001117. The next prime is 201201111001123. The reversal of 201201111001122 is 221100111102102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201201111001123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414437472 + ... + 414922667.

It is an arithmetic number, because the mean of its divisors is an integer number (25150760925570).

Almost surely, 2^{201201111001122} is an apocalyptic number.

201201111001122 is an abundant number, since it is smaller than the sum of its proper divisors (201211063807998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201201111001122 is a wasteful number, since it uses less digits than its factorization.

201201111001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829400577.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201201111001122 its reverse (221100111102102), we get a palindrome (422301222103224).

The spelling of 201201111001122 in words is "two hundred one trillion, two hundred one billion, one hundred eleven million, one thousand, one hundred twenty-two".