101143213 has 24 divisors (see below), whose sum is σ = 115466400. Its totient is φ = 88238304.

The previous prime is 101143199. The next prime is 101143223. The reversal of 101143213 is 312341101.

It is not a de Polignac number, because 101143213 - 2¹⁷ = 101012141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101143223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291306 + ... + 291652.

It is an arithmetic number, because the mean of its divisors is an integer number (4811100).

Almost surely, 2^101143213 is an apocalyptic number.

It is an amenable number.

101143213 is a deficient number, since it is larger than the sum of its proper divisors (14323187).

101143213 is a wasteful number, since it uses less digits than its factorization.

101143213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 101143213 is about 10056.9982102017. The cubic root of 101143213 is about 465.9209604568.

Adding to 101143213 its reverse (312341101), we get a palindrome (413484314).

The spelling of 101143213 in words is "one hundred one million, one hundred forty-three thousand, two hundred thirteen".