21244341002 has 8 divisors (see below), whose sum is σ = 32109767712. Its totient is φ = 10541085100.

The previous prime is 21244340993. The next prime is 21244341037. The reversal of 21244341002 is 20014344212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40542374 + ... + 40542897.

It is an arithmetic number, because the mean of its divisors is an integer number (4013720964).

Almost surely, 2^21244341002 is an apocalyptic number.

21244341002 is a deficient number, since it is larger than the sum of its proper divisors (10865426710).

21244341002 is a wasteful number, since it uses less digits than its factorization.

21244341002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81085404.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 21244341002 its reverse (20014344212), we get a palindrome (41258685214).

The spelling of 21244341002 in words is "twenty-one billion, two hundred forty-four million, three hundred forty-one thousand, two".