21233140022 has 16 divisors (see below), whose sum is σ = 32878826640. Its totient is φ = 10277901312.

The previous prime is 21233140001. The next prime is 21233140057. The reversal of 21233140022 is 22004133212.

It is a junction number, because it is equal to n+sod(n) for n = 21233139976 and 21233140003.

It is a congruent 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, 1082747 + ... + 1102182.

It is an arithmetic number, because the mean of its divisors is an integer number (2054926665).

Almost surely, 2^21233140022 is an apocalyptic number.

21233140022 is a deficient number, since it is larger than the sum of its proper divisors (11645686618).

21233140022 is a wasteful number, since it uses less digits than its factorization.

21233140022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185087.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21233140022 its reverse (22004133212), we get a palindrome (43237273234).

The spelling of 21233140022 in words is "twenty-one billion, two hundred thirty-three million, one hundred forty thousand, twenty-two".