10242123245021 has 4 divisors (see below), whose sum is σ = 10781182363200. Its totient is φ = 9703064126844.

The previous prime is 10242123245017. The next prime is 10242123245063. The reversal of 10242123245021 is 12054232124201.

10242123245021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10242123245021 - 2² = 10242123245017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10242123245621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269529559061 + ... + 269529559098.

It is an arithmetic number, because the mean of its divisors is an integer number (2695295590800).

Almost surely, 2^{10242123245021} is an apocalyptic number.

It is an amenable number.

10242123245021 is a deficient number, since it is larger than the sum of its proper divisors (539059118179).

10242123245021 is an equidigital number, since it uses as much as digits as its factorization.

10242123245021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539059118178.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 10242123245021 its reverse (12054232124201), we get a palindrome (22296355369222).

The spelling of 10242123245021 in words is "ten trillion, two hundred forty-two billion, one hundred twenty-three million, two hundred forty-five thousand, twenty-one".