10402101520243 has 2 divisors, whose sum is σ = 10402101520244. Its totient is φ = 10402101520242.

The previous prime is 10402101520211. The next prime is 10402101520249. The reversal of 10402101520243 is 34202510120401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10402101520243 - 2⁵ = 10402101520211 is a prime.

It is a super-3 number, since 3×10402101520243³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (10402101520249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201050760121 + 5201050760122.

It is an arithmetic number, because the mean of its divisors is an integer number (5201050760122).

Almost surely, 2^{10402101520243} is an apocalyptic number.

10402101520243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10402101520243 is an equidigital number, since it uses as much as digits as its factorization.

10402101520243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 10402101520243 its reverse (34202510120401), we get a palindrome (44604611640644).

The spelling of 10402101520243 in words is "ten trillion, four hundred two billion, one hundred one million, five hundred twenty thousand, two hundred forty-three".