10021119748729 has 2 divisors, whose sum is σ = 10021119748730. Its totient is φ = 10021119748728.

The previous prime is 10021119748723. The next prime is 10021119748867. The reversal of 10021119748729 is 92784791112001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7517889483129 + 2503230265600 = 2741877^2 + 1582160^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021119748729 - 2¹⁵ = 10021119715961 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021119748723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010559874364 + 5010559874365.

It is an arithmetic number, because the mean of its divisors is an integer number (5010559874365).

Almost surely, 2^{10021119748729} is an apocalyptic number.

It is an amenable number.

10021119748729 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021119748729 is an equidigital number, since it uses as much as digits as its factorization.

10021119748729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 52.

The spelling of 10021119748729 in words is "ten trillion, twenty-one billion, one hundred nineteen million, seven hundred forty-eight thousand, seven hundred twenty-nine".