201223231122 has 16 divisors (see below), whose sum is σ = 413323394112. Its totient is φ = 65261588400.

The previous prime is 201223231081. The next prime is 201223231123. The reversal of 201223231122 is 221132322102.

It is not an unprimeable number, because it can be changed into a prime (201223231123) 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, 453205254 + ... + 453205697.

It is an arithmetic number, because the mean of its divisors is an integer number (25832712132).

Almost surely, 2^201223231122 is an apocalyptic number.

201223231122 is an abundant number, since it is smaller than the sum of its proper divisors (212100162990).

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

201223231122 is a wasteful number, since it uses less digits than its factorization.

201223231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906410993.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201223231122 its reverse (221132322102), we get a palindrome (422355553224).

The spelling of 201223231122 in words is "two hundred one billion, two hundred twenty-three million, two hundred thirty-one thousand, one hundred twenty-two".