201123133102 has 16 divisors (see below), whose sum is σ = 318880544400. Its totient is φ = 94873541760.

The previous prime is 201123133091. The next prime is 201123133139. The reversal of 201123133102 is 201331321102.

201123133102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 201123133102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10971577 + ... + 10989892.

It is an arithmetic number, because the mean of its divisors is an integer number (19930034025).

Almost surely, 2^201123133102 is an apocalyptic number.

201123133102 is a deficient number, since it is larger than the sum of its proper divisors (117757411298).

201123133102 is a wasteful number, since it uses less digits than its factorization.

201123133102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21961731.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201123133102 its reverse (201331321102), we get a palindrome (402454454204).

The spelling of 201123133102 in words is "two hundred one billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred two".