21003233102 has 8 divisors (see below), whose sum is σ = 31508218512. Its totient is φ = 10500493600.

The previous prime is 21003233071. The next prime is 21003233107. The reversal of 21003233102 is 20133230012.

21003233102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×21003233102² (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 (21003233107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537899 + ... + 575622.

It is an arithmetic number, because the mean of its divisors is an integer number (3938527314).

Almost surely, 2^21003233102 is an apocalyptic number.

21003233102 is a deficient number, since it is larger than the sum of its proper divisors (10504985410).

21003233102 is a wasteful number, since it uses less digits than its factorization.

21003233102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122954.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21003233102 its reverse (20133230012), we get a palindrome (41136463114).

The spelling of 21003233102 in words is "twenty-one billion, three million, two hundred thirty-three thousand, one hundred two".