21033003102 has 16 divisors (see below), whose sum is σ = 42778990080. Its totient is φ = 6892170392.

The previous prime is 21033003077. The next prime is 21033003107. The reversal of 21033003102 is 20130033012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033003107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29707278 + ... + 29707985.

It is an arithmetic number, because the mean of its divisors is an integer number (2673686880).

Almost surely, 2^21033003102 is an apocalyptic number.

21033003102 is an abundant number, since it is smaller than the sum of its proper divisors (21745986978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21033003102 is a wasteful number, since it uses less digits than its factorization.

21033003102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59415327.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 21033003102 its reverse (20130033012), we get a palindrome (41163036114).

The spelling of 21033003102 in words is "twenty-one billion, thirty-three million, three thousand, one hundred two".