21012020233322 has 16 divisors (see below), whose sum is σ = 32064809148000. Its totient is φ = 10323890238480.

The previous prime is 21012020233283. The next prime is 21012020233327. The reversal of 21012020233322 is 22333202021012.

It is not an unprimeable number, because it can be changed into a prime (21012020233327) 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, 34628204 + ... + 35229767.

It is an arithmetic number, because the mean of its divisors is an integer number (2004050571750).

Almost surely, 2^{21012020233322} is an apocalyptic number.

21012020233322 is a deficient number, since it is larger than the sum of its proper divisors (11052788914678).

21012020233322 is a wasteful number, since it uses less digits than its factorization.

21012020233322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69860581.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21012020233322 its reverse (22333202021012), we get a palindrome (43345222254334).

The spelling of 21012020233322 in words is "twenty-one trillion, twelve billion, twenty million, two hundred thirty-three thousand, three hundred twenty-two".