101750010221 has 2 divisors, whose sum is σ = 101750010222. Its totient is φ = 101750010220.

The previous prime is 101750010199. The next prime is 101750010233. The reversal of 101750010221 is 122010057101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51062440900 + 50687569321 = 225970^2 + 225139^2 .

It is a cyclic number.

It is not a de Polignac number, because 101750010221 - 2¹⁰ = 101750009197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101750010193 and 101750010202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101750010721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50875005110 + 50875005111.

It is an arithmetic number, because the mean of its divisors is an integer number (50875005111).

Almost surely, 2^101750010221 is an apocalyptic number.

It is an amenable number.

101750010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

101750010221 is an equidigital number, since it uses as much as digits as its factorization.

101750010221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 20.

Adding to 101750010221 its reverse (122010057101), we get a palindrome (223760067322).

The spelling of 101750010221 in words is "one hundred one billion, seven hundred fifty million, ten thousand, two hundred twenty-one".