21132210033 has 12 divisors (see below), whose sum is σ = 33299240208. Its totient is φ = 12807399960.

The previous prime is 21132209999. The next prime is 21132210049. The reversal of 21132210033 is 33001223112.

21132210033 is a `hidden beast` number, since 211 + 322 + 100 + 33 = 666.

It is not a de Polignac number, because 21132210033 - 2⁹ = 21132209521 is a prime.

It is a super-2 number, since 2×21132210033² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21132209988 and 21132210015.

It is not an unprimeable number, because it can be changed into a prime (21132210433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106728235 + ... + 106728432.

It is an arithmetic number, because the mean of its divisors is an integer number (2774936684).

Almost surely, 2^21132210033 is an apocalyptic number.

It is an amenable number.

21132210033 is a deficient number, since it is larger than the sum of its proper divisors (12167030175).

21132210033 is a wasteful number, since it uses less digits than its factorization.

21132210033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213456684 (or 213456681 counting only the distinct ones).

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

Adding to 21132210033 its reverse (33001223112), we get a palindrome (54133433145).

The spelling of 21132210033 in words is "twenty-one billion, one hundred thirty-two million, two hundred ten thousand, thirty-three".