10020124460521 has 16 divisors (see below), whose sum is σ = 12372645542400. Its totient is φ = 8083461744960.

The previous prime is 10020124460491. The next prime is 10020124460531. The reversal of 10020124460521 is 12506442102001.

It is not a de Polignac number, because 10020124460521 - 2¹⁹ = 10020123936233 is a prime.

It is a super-2 number, since 2×10020124460521² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10020124460521.

It is not an unprimeable number, because it can be changed into a prime (10020124460531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859205665 + ... + 859217326.

It is an arithmetic number, because the mean of its divisors is an integer number (773290346400).

Almost surely, 2^{10020124460521} is an apocalyptic number.

It is an amenable number.

10020124460521 is a deficient number, since it is larger than the sum of its proper divisors (2352521081879).

10020124460521 is an equidigital number, since it uses as much as digits as its factorization.

10020124460521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718423029 (or 1718423015 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 10020124460521 its reverse (12506442102001), we get a palindrome (22526566562522).

The spelling of 10020124460521 in words is "ten trillion, twenty billion, one hundred twenty-four million, four hundred sixty thousand, five hundred twenty-one".