101047321 has 16 divisors (see below), whose sum is σ = 107347968. Its totient is φ = 94971600.

The previous prime is 101047313. The next prime is 101047343. The reversal of 101047321 is 123740101.

It is not a de Polignac number, because 101047321 - 2³ = 101047313 is a prime.

It is a super-2 number, since 2×101047321² = 20421122162554082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101047351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324756 + ... + 325066.

It is an arithmetic number, because the mean of its divisors is an integer number (6709248).

Almost surely, 2^101047321 is an apocalyptic number.

It is an amenable number.

101047321 is a deficient number, since it is larger than the sum of its proper divisors (6300647).

101047321 is a wasteful number, since it uses less digits than its factorization.

101047321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 101047321 is about 10052.2296531665. The cubic root of 101047321 is about 465.7736702322.

Adding to 101047321 its reverse (123740101), we get a palindrome (224787422).

The spelling of 101047321 in words is "one hundred one million, forty-seven thousand, three hundred twenty-one".