21010033002 has 32 divisors (see below), whose sum is σ = 48094353792. Its totient is φ = 5993938944.

The previous prime is 21010032949. The next prime is 21010033003. The reversal of 21010033002 is 20033001012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21010033003) 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 15 ways as a sum of consecutive naturals, for example, 343383 + ... + 399914.

It is an arithmetic number, because the mean of its divisors is an integer number (1502948556).

Almost surely, 2^21010033002 is an apocalyptic number.

21010033002 is an abundant number, since it is smaller than the sum of its proper divisors (27084320790).

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

21010033002 is a wasteful number, since it uses less digits than its factorization.

21010033002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743982.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 21010033002 its reverse (20033001012), we get a palindrome (41043034014).

The spelling of 21010033002 in words is "twenty-one billion, ten million, thirty-three thousand, two".