21021102133332 has 48 divisors (see below), whose sum is σ = 56413318711680. Its totient is φ = 5967774214272.

The previous prime is 21021102133301. The next prime is 21021102133357. The reversal of 21021102133332 is 23333120112012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 796965207 + ... + 796991582.

It is an arithmetic number, because the mean of its divisors is an integer number (1175277473160).

Almost surely, 2^{21021102133332} is an apocalyptic number.

It is an amenable number.

21021102133332 is an abundant number, since it is smaller than the sum of its proper divisors (35392216578348).

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

21021102133332 is a wasteful number, since it uses less digits than its factorization.

21021102133332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593956960 (or 1593956958 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21021102133332 its reverse (23333120112012), we get a palindrome (44354222245344).

The spelling of 21021102133332 in words is "twenty-one trillion, twenty-one billion, one hundred two million, one hundred thirty-three thousand, three hundred thirty-two".