101000221073 has 2 divisors, whose sum is σ = 101000221074. Its totient is φ = 101000221072.

The previous prime is 101000220977. The next prime is 101000221123. The reversal of 101000221073 is 370122000101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86078865664 + 14921355409 = 293392^2 + 122153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101000221073 is a prime.

It is not a weakly prime, because it can be changed into another prime (101000229073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500110536 + 50500110537.

It is an arithmetic number, because the mean of its divisors is an integer number (50500110537).

Almost surely, 2^101000221073 is an apocalyptic number.

It is an amenable number.

101000221073 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000221073 is an equidigital number, since it uses as much as digits as its factorization.

101000221073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

Adding to 101000221073 its reverse (370122000101), we get a palindrome (471122221174).

The spelling of 101000221073 in words is "one hundred one billion, two hundred twenty-one thousand, seventy-three".