10221101173 has 2 divisors, whose sum is σ = 10221101174. Its totient is φ = 10221101172.

The previous prime is 10221101101. The next prime is 10221101201. The reversal of 10221101173 is 37110112201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6035269969 + 4185831204 = 77687^2 + 64698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221101173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10221101173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221101773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110550586 + 5110550587.

It is an arithmetic number, because the mean of its divisors is an integer number (5110550587).

Almost surely, 2^10221101173 is an apocalyptic number.

It is an amenable number.

10221101173 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221101173 is an equidigital number, since it uses as much as digits as its factorization.

10221101173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 10221101173 its reverse (37110112201), we get a palindrome (47331213374).

The spelling of 10221101173 in words is "ten billion, two hundred twenty-one million, one hundred one thousand, one hundred seventy-three".