201311021132 has 24 divisors (see below), whose sum is σ = 381319724016. Its totient is φ = 92441135808.

The previous prime is 201311021129. The next prime is 201311021147. The reversal of 201311021132 is 231120113102.

201311021132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201311021132² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201311021132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9815558 + ... + 9836045.

It is an arithmetic number, because the mean of its divisors is an integer number (15888321834).

Almost surely, 2^201311021132 is an apocalyptic number.

It is an amenable number.

201311021132 is a deficient number, since it is larger than the sum of its proper divisors (180008702884).

201311021132 is a wasteful number, since it uses less digits than its factorization.

201311021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19651817 (or 19651815 counting only the distinct ones).

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

Adding to 201311021132 its reverse (231120113102), we get a palindrome (432431134234).

The spelling of 201311021132 in words is "two hundred one billion, three hundred eleven million, twenty-one thousand, one hundred thirty-two".