21033012323010 has 32 divisors (see below), whose sum is σ = 50479392341952. Its totient is φ = 5608785200960.

The previous prime is 21033012322999. The next prime is 21033012323053. The reversal of 21033012323010 is 1032321033012.

It is an unprimeable number.

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, 10186000 + ... + 12075620.

It is an arithmetic number, because the mean of its divisors is an integer number (1577481010686).

Almost surely, 2^{21033012323010} is an apocalyptic number.

21033012323010 is an abundant number, since it is smaller than the sum of its proper divisors (29446380018942).

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

21033012323010 is a wasteful number, since it uses less digits than its factorization.

21033012323010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260658.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21033012323010 its reverse (1032321033012), we get a palindrome (22065333356022).

The spelling of 21033012323010 in words is "twenty-one trillion, thirty-three billion, twelve million, three hundred twenty-three thousand, ten".