21133132310 has 64 divisors (see below), whose sum is σ = 40722383232. Its totient is φ = 7868399616.

The previous prime is 21133132289. The next prime is 21133132313. The reversal of 21133132310 is 1323133112.

It is a super-2 number, since 2×21133132310² (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 (21133132313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11851679 + ... + 11853461.

It is an arithmetic number, because the mean of its divisors is an integer number (636287238).

Almost surely, 2^21133132310 is an apocalyptic number.

21133132310 is a deficient number, since it is larger than the sum of its proper divisors (19589250922).

21133132310 is a wasteful number, since it uses less digits than its factorization.

21133132310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21133132310 its reverse (1323133112), we get a palindrome (22456265422).

The spelling of 21133132310 in words is "twenty-one billion, one hundred thirty-three million, one hundred thirty-two thousand, three hundred ten".