21233041082 has 16 divisors (see below), whose sum is σ = 36573660000. Its totient is φ = 9143414640.

The previous prime is 21233041069. The next prime is 21233041103. The reversal of 21233041082 is 28014033212.

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, 25397957 + ... + 25398792.

It is an arithmetic number, because the mean of its divisors is an integer number (2285853750).

Almost surely, 2^21233041082 is an apocalyptic number.

21233041082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21233041082 is a deficient number, since it is larger than the sum of its proper divisors (15340618918).

21233041082 is a wasteful number, since it uses less digits than its factorization.

21233041082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50796781.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 21233041082 its reverse (28014033212), we get a palindrome (49247074294).

The spelling of 21233041082 in words is "twenty-one billion, two hundred thirty-three million, forty-one thousand, eighty-two".