21342341002 has 4 divisors (see below), whose sum is σ = 32013511506. Its totient is φ = 10671170500.

The previous prime is 21342340993. The next prime is 21342341051. The reversal of 21342341002 is 20014324312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17163882121 + 4178458881 = 131011^2 + 64641^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5335585249 + ... + 5335585252.

Almost surely, 2^21342341002 is an apocalyptic number.

21342341002 is a deficient number, since it is larger than the sum of its proper divisors (10671170504).

21342341002 is a wasteful number, since it uses less digits than its factorization.

21342341002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671170503.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21342341002 its reverse (20014324312), we get a palindrome (41356665314).

The spelling of 21342341002 in words is "twenty-one billion, three hundred forty-two million, three hundred forty-one thousand, two".