21422004010 has 16 divisors (see below), whose sum is σ = 42065026272. Its totient is φ = 7789819600.

The previous prime is 21422003987. The next prime is 21422004031. The reversal of 21422004010 is 1040022412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97372636 + ... + 97372855.

It is an arithmetic number, because the mean of its divisors is an integer number (2629064142).

Almost surely, 2^21422004010 is an apocalyptic number.

21422004010 is a deficient number, since it is larger than the sum of its proper divisors (20643022262).

21422004010 is a wasteful number, since it uses less digits than its factorization.

21422004010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194745509.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 21422004010 its reverse (1040022412), we get a palindrome (22462026422).

The spelling of 21422004010 in words is "twenty-one billion, four hundred twenty-two million, four thousand, ten".