10210121495729 has 2 divisors, whose sum is σ = 10210121495730. Its totient is φ = 10210121495728.

The previous prime is 10210121495719. The next prime is 10210121495759. The reversal of 10210121495729 is 92759412101201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8874589950625 + 1335531545104 = 2979025^2 + 1155652^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210121495729 - 2⁸ = 10210121495473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10210121495729.

It is not a weakly prime, because it can be changed into another prime (10210121495719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105060747864 + 5105060747865.

It is an arithmetic number, because the mean of its divisors is an integer number (5105060747865).

Almost surely, 2^{10210121495729} is an apocalyptic number.

It is an amenable number.

10210121495729 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210121495729 is an equidigital number, since it uses as much as digits as its factorization.

10210121495729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 10210121495729 in words is "ten trillion, two hundred ten billion, one hundred twenty-one million, four hundred ninety-five thousand, seven hundred twenty-nine".