101200231 has 4 divisors (see below), whose sum is σ = 110400264. Its totient is φ = 92000200.

The previous prime is 101200223. The next prime is 101200241. The reversal of 101200231 is 132002101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101200231 - 2³ = 101200223 is a prime.

It is a super-2 number, since 2×101200231² = 20482973508906722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4600000 + ... + 4600021.

It is an arithmetic number, because the mean of its divisors is an integer number (27600066).

Almost surely, 2^101200231 is an apocalyptic number.

101200231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101200231 is a deficient number, since it is larger than the sum of its proper divisors (9200033).

101200231 is an equidigital number, since it uses as much as digits as its factorization.

101200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9200032.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 101200231 is about 10059.8325532784. The cubic root of 101200231 is about 466.0084960414.

Adding to 101200231 its reverse (132002101), we get a palindrome (233202332).

The spelling of 101200231 in words is "one hundred one million, two hundred thousand, two hundred thirty-one".