21232223113310 has 128 divisors (see below), whose sum is σ = 44404388904960. Its totient is φ = 7237974182400.

The previous prime is 21232223113267. The next prime is 21232223113393. The reversal of 21232223113310 is 1331132223212.

It is a super-2 number, since 2×21232223113310² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21232223113310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13534124 + ... + 15021216.

It is an arithmetic number, because the mean of its divisors is an integer number (346909288320).

Almost surely, 2^{21232223113310} is an apocalyptic number.

21232223113310 is an abundant number, since it is smaller than the sum of its proper divisors (23172165791650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21232223113310 is a wasteful number, since it uses less digits than its factorization.

21232223113310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487274.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 21232223113310 its reverse (1331132223212), we get a palindrome (22563355336522).

The spelling of 21232223113310 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred twenty-three million, one hundred thirteen thousand, three hundred ten".