201101232 has 20 divisors (see below), whose sum is σ = 519511640. Its totient is φ = 67033728.

The previous prime is 201101231. The next prime is 201101249. The reversal of 201101232 is 232101102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (201101231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2094757 + ... + 2094852.

It is an arithmetic number, because the mean of its divisors is an integer number (25975582).

Almost surely, 2^201101232 is an apocalyptic number.

It is an amenable number.

201101232 is an abundant number, since it is smaller than the sum of its proper divisors (318410408).

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

201101232 is a wasteful number, since it uses less digits than its factorization.

201101232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189620 (or 4189614 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 201101232 is about 14181.0166067176. The cubic root of 201101232 is about 585.8749242856.

Adding to 201101232 its reverse (232101102), we get a palindrome (433202334).

The spelling of 201101232 in words is "two hundred one million, one hundred one thousand, two hundred thirty-two".