21133102 has 8 divisors (see below), whose sum is σ = 31820976. Its totient is φ = 10526112.

The previous prime is 21133093. The next prime is 21133109. The reversal of 21133102 is 20133112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19563 + ... + 20614.

It is an arithmetic number, because the mean of its divisors is an integer number (3977622).

Almost surely, 2^21133102 is an apocalyptic number.

21133102 is a deficient number, since it is larger than the sum of its proper divisors (10687874).

21133102 is a wasteful number, since it uses less digits than its factorization.

21133102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40442.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 21133102 is about 4597.0753746268. The cubic root of 21133102 is about 276.4740767062.

Adding to 21133102 its reverse (20133112), we get a palindrome (41266214).

The spelling of 21133102 in words is "twenty-one million, one hundred thirty-three thousand, one hundred two".