201111023132 has 12 divisors (see below), whose sum is σ = 351949222800. Its totient is φ = 100554102336.

The previous prime is 201111023083. The next prime is 201111023153. The reversal of 201111023132 is 231320111102.

It is a self number, because there is not a number n which added to its sum of digits gives 201111023132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10244 + ... + 634292.

It is an arithmetic number, because the mean of its divisors is an integer number (29329101900).

Almost surely, 2^201111023132 is an apocalyptic number.

It is an amenable number.

201111023132 is a deficient number, since it is larger than the sum of its proper divisors (150838199668).

201111023132 is a wasteful number, since it uses less digits than its factorization.

201111023132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704620 (or 704618 counting only the distinct ones).

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

Adding to 201111023132 its reverse (231320111102), we get a palindrome (432431134234).

The spelling of 201111023132 in words is "two hundred one billion, one hundred eleven million, twenty-three thousand, one hundred thirty-two".