21110233323020 has 96 divisors (see below), whose sum is σ = 45026793181440. Its totient is φ = 8312897698560.

The previous prime is 21110233323017. The next prime is 21110233323029. The reversal of 21110233323020 is 2032333201112.

It is not an unprimeable number, because it can be changed into a prime (21110233323029) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 214252607 + ... + 214351113.

It is an arithmetic number, because the mean of its divisors is an integer number (469029095640).

Almost surely, 2^{21110233323020} is an apocalyptic number.

21110233323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21110233323020 is an abundant number, since it is smaller than the sum of its proper divisors (23916559858420).

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

21110233323020 is a wasteful number, since it uses less digits than its factorization.

21110233323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99303 (or 99301 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21110233323020 its reverse (2032333201112), we get a palindrome (23142566524132).

The spelling of 21110233323020 in words is "twenty-one trillion, one hundred ten billion, two hundred thirty-three million, three hundred twenty-three thousand, twenty".