201111310232 has 32 divisors (see below), whose sum is σ = 431021510400. Its totient is φ = 86176821024.

The previous prime is 201111310223. The next prime is 201111310259. The reversal of 201111310232 is 232013111102.

It is a self number, because there is not a number n which added to its sum of digits gives 201111310232.

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, 72119 + ... + 638297.

It is an arithmetic number, because the mean of its divisors is an integer number (13469422200).

Almost surely, 2^201111310232 is an apocalyptic number.

It is an amenable number.

201111310232 is an abundant number, since it is smaller than the sum of its proper divisors (229910200168).

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

201111310232 is a wasteful number, since it uses less digits than its factorization.

201111310232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572535 (or 572531 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 201111310232 its reverse (232013111102), we get a palindrome (433124421334).

The spelling of 201111310232 in words is "two hundred one billion, one hundred eleven million, three hundred ten thousand, two hundred thirty-two".