21023111230332 has 48 divisors (see below), whose sum is σ = 49983401758752. Its totient is φ = 6874942314240.

The previous prime is 21023111230309. The next prime is 21023111230337. The reversal of 21023111230332 is 23303211132012.

It is a super-2 number, since 2×21023111230332² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023111230337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6835578 + ... + 9421854.

It is an arithmetic number, because the mean of its divisors is an integer number (1041320869974).

Almost surely, 2^{21023111230332} is an apocalyptic number.

It is an amenable number.

21023111230332 is an abundant number, since it is smaller than the sum of its proper divisors (28960290528420).

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

21023111230332 is a wasteful number, since it uses less digits than its factorization.

21023111230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599118 (or 2599116 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21023111230332 its reverse (23303211132012), we get a palindrome (44326322362344).

The spelling of 21023111230332 in words is "twenty-one trillion, twenty-three billion, one hundred eleven million, two hundred thirty thousand, three hundred thirty-two".