21033223011000 has 192 divisors, whose sum is σ = 74183263801920. Its totient is φ = 5364995961600.

The previous prime is 21033223010959. The next prime is 21033223011043. The reversal of 21033223011000 is 11032233012.

21033223011000 is a `hidden beast` number, since 2 + 1 + 0 + 332 + 230 + 1 + 100 + 0 = 666.

It is a super-2 number, since 2×21033223011000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50597887 + ... + 51011886.

It is an arithmetic number, because the mean of its divisors is an integer number (386371165635).

Almost surely, 2^{21033223011000} is an apocalyptic number.

21033223011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21033223011000 is an abundant number, since it is smaller than the sum of its proper divisors (53150040790920).

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

21033223011000 is a wasteful number, since it uses less digits than its factorization.

21033223011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101609823 (or 101609806 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21033223011000 its reverse (11032233012), we get a palindrome (21044255244012).

The spelling of 21033223011000 in words is "twenty-one trillion, thirty-three billion, two hundred twenty-three million, eleven thousand".