101059704521 has 2 divisors, whose sum is σ = 101059704522. Its totient is φ = 101059704520.

The previous prime is 101059704511. The next prime is 101059704583. The reversal of 101059704521 is 125407950101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59448192400 + 41611512121 = 243820^2 + 203989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101059704521 is a prime.

It is not a weakly prime, because it can be changed into another prime (101059704511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50529852260 + 50529852261.

It is an arithmetic number, because the mean of its divisors is an integer number (50529852261).

Almost surely, 2^101059704521 is an apocalyptic number.

It is an amenable number.

101059704521 is a deficient number, since it is larger than the sum of its proper divisors (1).

101059704521 is an equidigital number, since it uses as much as digits as its factorization.

101059704521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 101059704521 in words is "one hundred one billion, fifty-nine million, seven hundred four thousand, five hundred twenty-one".