201311145112 has 48 divisors (see below), whose sum is σ = 474162630480. Its totient is φ = 78432911040.

The previous prime is 201311145073. The next prime is 201311145137. The reversal of 201311145112 is 211541113102.

201311145112 is digitally balanced in base 2, 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 (22).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 14847943 + ... + 14861494.

It is an arithmetic number, because the mean of its divisors is an integer number (9878388135).

Almost surely, 2^201311145112 is an apocalyptic number.

201311145112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201311145112 is an abundant number, since it is smaller than the sum of its proper divisors (272851485368).

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

201311145112 is a wasteful number, since it uses less digits than its factorization.

201311145112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29709472 (or 29709457 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 201311145112 its reverse (211541113102), we get a palindrome (412852258214).

The spelling of 201311145112 in words is "two hundred one billion, three hundred eleven million, one hundred forty-five thousand, one hundred twelve".