201343011102 has 24 divisors (see below), whose sum is σ = 450315552960. Its totient is φ = 64949358240.

The previous prime is 201343011053. The next prime is 201343011119. The reversal of 201343011102 is 201110343102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180414327 + ... + 180415442.

It is an arithmetic number, because the mean of its divisors is an integer number (18763148040).

Almost surely, 2^201343011102 is an apocalyptic number.

201343011102 is an abundant number, since it is smaller than the sum of its proper divisors (248972541858).

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

201343011102 is a wasteful number, since it uses less digits than its factorization.

201343011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360829808 (or 360829805 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 201343011102 its reverse (201110343102), we get a palindrome (402453354204).

The spelling of 201343011102 in words is "two hundred one billion, three hundred forty-three million, eleven thousand, one hundred two".