101310323030221 has 2 divisors, whose sum is σ = 101310323030222. Its totient is φ = 101310323030220.

The previous prime is 101310323030209. The next prime is 101310323030251. The reversal of 101310323030221 is 122030323013101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59244578702500 + 42065744327721 = 7697050^2 + 6485811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101310323030221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101310323030192 and 101310323030201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101310323030251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50655161515110 + 50655161515111.

It is an arithmetic number, because the mean of its divisors is an integer number (50655161515111).

Almost surely, 2^{101310323030221} is an apocalyptic number.

It is an amenable number.

101310323030221 is a deficient number, since it is larger than the sum of its proper divisors (1).

101310323030221 is an equidigital number, since it uses as much as digits as its factorization.

101310323030221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 101310323030221 its reverse (122030323013101), we get a palindrome (223340646043322).

The spelling of 101310323030221 in words is "one hundred one trillion, three hundred ten billion, three hundred twenty-three million, thirty thousand, two hundred twenty-one".