21033132310 has 16 divisors (see below), whose sum is σ = 38213468496. Its totient is φ = 8334623968.

The previous prime is 21033132287. The next prime is 21033132311. The reversal of 21033132310 is 1323133012.

It is a super-2 number, since 2×21033132310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033132311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9827497 + ... + 9829636.

It is an arithmetic number, because the mean of its divisors is an integer number (2388341781).

Almost surely, 2^21033132310 is an apocalyptic number.

21033132310 is a deficient number, since it is larger than the sum of its proper divisors (17180336186).

21033132310 is a wasteful number, since it uses less digits than its factorization.

21033132310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19657247.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21033132310 its reverse (1323133012), we get a palindrome (22356265322).

The spelling of 21033132310 in words is "twenty-one billion, thirty-three million, one hundred thirty-two thousand, three hundred ten".