10020124460491 has 2 divisors, whose sum is σ = 10020124460492. Its totient is φ = 10020124460490.

The previous prime is 10020124460477. The next prime is 10020124460531. The reversal of 10020124460491 is 19406442102001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10020124460491 - 2²³ = 10020116071883 is a prime.

It is a super-2 number, since 2×10020124460491² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10020124460441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010062230245 + 5010062230246.

It is an arithmetic number, because the mean of its divisors is an integer number (5010062230246).

Almost surely, 2^{10020124460491} is an apocalyptic number.

10020124460491 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020124460491 is an equidigital number, since it uses as much as digits as its factorization.

10020124460491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 10020124460491 its reverse (19406442102001), we get a palindrome (29426566562492).

The spelling of 10020124460491 in words is "ten trillion, twenty billion, one hundred twenty-four million, four hundred sixty thousand, four hundred ninety-one".