21113333110 has 8 divisors (see below), whose sum is σ = 38003999616. Its totient is φ = 8445333240.

The previous prime is 21113333071. The next prime is 21113333123. The reversal of 21113333110 is 1133331112.

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, 1055666646 + ... + 1055666665.

It is an arithmetic number, because the mean of its divisors is an integer number (4750499952).

Almost surely, 2^21113333110 is an apocalyptic number.

21113333110 is a deficient number, since it is larger than the sum of its proper divisors (16890666506).

21113333110 is a wasteful number, since it uses less digits than its factorization.

21113333110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111333318.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 21113333110 its reverse (1133331112), we get a palindrome (22246664222).

The spelling of 21113333110 in words is "twenty-one billion, one hundred thirteen million, three hundred thirty-three thousand, one hundred ten".