21033200212002 has 48 divisors (see below), whose sum is σ = 49724068054752. Its totient is φ = 6372513548160.

The previous prime is 21033200211917. The next prime is 21033200212007. The reversal of 21033200212002 is 20021200233012.

21033200212002 is a `hidden beast` number, since 210 + 33 + 200 + 21 + 200 + 2 = 666.

It is a super-2 number, since 2×21033200212002² (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 not an unprimeable number, because it can be changed into a prime (21033200212007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8793063 + ... + 10926314.

It is an arithmetic number, because the mean of its divisors is an integer number (1035918084474).

Almost surely, 2^{21033200212002} is an apocalyptic number.

21033200212002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21033200212002 is an abundant number, since it is smaller than the sum of its proper divisors (28690867842750).

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

21033200212002 is a wasteful number, since it uses less digits than its factorization.

21033200212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19724783 (or 19724780 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21033200212002 its reverse (20021200233012), we get a palindrome (41054400445014).

The spelling of 21033200212002 in words is "twenty-one trillion, thirty-three billion, two hundred million, two hundred twelve thousand, two".