101402321 has 2 divisors, whose sum is σ = 101402322. Its totient is φ = 101402320.

The previous prime is 101402317. The next prime is 101402341. The reversal of 101402321 is 123204101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97792321 + 3610000 = 9889^2 + 1900^2 .

It is an emirp because it is prime and its reverse (123204101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101402321 - 2² = 101402317 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 101402296 and 101402305.

It is not a weakly prime, because it can be changed into another prime (101402341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50701160 + 50701161.

It is an arithmetic number, because the mean of its divisors is an integer number (50701161).

Almost surely, 2^101402321 is an apocalyptic number.

It is an amenable number.

101402321 is a deficient number, since it is larger than the sum of its proper divisors (1).

101402321 is an equidigital number, since it uses as much as digits as its factorization.

101402321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 101402321 is about 10069.8719455612. The cubic root of 101402321 is about 466.3184855807.

Adding to 101402321 its reverse (123204101), we get a palindrome (224606422).

The spelling of 101402321 in words is "one hundred one million, four hundred two thousand, three hundred twenty-one".