21233110010 has 16 divisors (see below), whose sum is σ = 43679540736. Its totient is φ = 7279923408.

The previous prime is 21233110009. The next prime is 21233110069. The reversal of 21233110010 is 1001133212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151665002 + ... + 151665141.

It is an arithmetic number, because the mean of its divisors is an integer number (2729971296).

Almost surely, 2^21233110010 is an apocalyptic number.

21233110010 is an abundant number, since it is smaller than the sum of its proper divisors (22446430726).

21233110010 is a wasteful number, since it uses less digits than its factorization.

21233110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303330157.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21233110010 its reverse (1001133212), we get a palindrome (22234243222).

The spelling of 21233110010 in words is "twenty-one billion, two hundred thirty-three million, one hundred ten thousand, ten".