21346102 has 4 divisors (see below), whose sum is σ = 32019156. Its totient is φ = 10673050.

The previous prime is 21346097. The next prime is 21346109. The reversal of 21346102 is 20164312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21346102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21346109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5336524 + ... + 5336527.

It is an arithmetic number, because the mean of its divisors is an integer number (8004789).

Almost surely, 2^21346102 is an apocalyptic number.

21346102 is a deficient number, since it is larger than the sum of its proper divisors (10673054).

21346102 is a wasteful number, since it uses less digits than its factorization.

21346102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10673053.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 21346102 is about 4620.1841954623. The cubic root of 21346102 is about 277.3998318231.

The spelling of 21346102 in words is "twenty-one million, three hundred forty-six thousand, one hundred two".