10422140021 has 4 divisors (see below), whose sum is σ = 10428276000. Its totient is φ = 10416004044.

The previous prime is 10422139961. The next prime is 10422140039. The reversal of 10422140021 is 12004122401.

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 10422140021 - 2¹⁰ = 10422138997 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 (10422140041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3065441 + ... + 3068838.

It is an arithmetic number, because the mean of its divisors is an integer number (2607069000).

Almost surely, 2^10422140021 is an apocalyptic number.

It is an amenable number.

10422140021 is a deficient number, since it is larger than the sum of its proper divisors (6135979).

10422140021 is an equidigital number, since it uses as much as digits as its factorization.

10422140021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135978.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10422140021 its reverse (12004122401), we get a palindrome (22426262422).

The spelling of 10422140021 in words is "ten billion, four hundred twenty-two million, one hundred forty thousand, twenty-one".