21343433102 has 8 divisors (see below), whose sum is σ = 33047896512. Its totient is φ = 10327467600.

The previous prime is 21343433063. The next prime is 21343433123. The reversal of 21343433102 is 20133434312.

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

It is a congruent number.

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, 172124399 + ... + 172124522.

It is an arithmetic number, because the mean of its divisors is an integer number (4130987064).

Almost surely, 2^21343433102 is an apocalyptic number.

21343433102 is a deficient number, since it is larger than the sum of its proper divisors (11704463410).

21343433102 is a wasteful number, since it uses less digits than its factorization.

21343433102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344248954.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21343433102 its reverse (20133434312), we get a palindrome (41476867414).

The spelling of 21343433102 in words is "twenty-one billion, three hundred forty-three million, four hundred thirty-three thousand, one hundred two".