21201333010 has 64 divisors (see below), whose sum is σ = 45187559424. Its totient is φ = 7060435200.

The previous prime is 21201332983. The next prime is 21201333017. The reversal of 21201333010 is 1033310212.

It is not an unprimeable number, because it can be changed into a prime (21201333017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123240 + ... + 239980.

It is an arithmetic number, because the mean of its divisors is an integer number (706055616).

Almost surely, 2^21201333010 is an apocalyptic number.

21201333010 is an abundant number, since it is smaller than the sum of its proper divisors (23986226414).

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

21201333010 is a wasteful number, since it uses less digits than its factorization.

21201333010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116899.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21201333010 its reverse (1033310212), we get a palindrome (22234643222).

The spelling of 21201333010 in words is "twenty-one billion, two hundred one million, three hundred thirty-three thousand, ten".