21322133133 has 32 divisors (see below), whose sum is σ = 33183820800. Its totient is φ = 11925998976.

The previous prime is 21322133093. The next prime is 21322133167. The reversal of 21322133133 is 33133122312.

It is not a de Polignac number, because 21322133133 - 2⁶ = 21322133069 is a prime.

It is a super-2 number, since 2×21322133133² (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 (21322143133) 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, 251758 + ... + 325616.

It is an arithmetic number, because the mean of its divisors is an integer number (1036994400).

Almost surely, 2^21322133133 is an apocalyptic number.

It is an amenable number.

21322133133 is a deficient number, since it is larger than the sum of its proper divisors (11861687667).

21322133133 is a wasteful number, since it uses less digits than its factorization.

21322133133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74161.

The product of its digits is 1944, while the sum is 24.

Adding to 21322133133 its reverse (33133122312), we get a palindrome (54455255445).

The spelling of 21322133133 in words is "twenty-one billion, three hundred twenty-two million, one hundred thirty-three thousand, one hundred thirty-three".