21010333221132 has 48 divisors (see below), whose sum is σ = 49577711702400. Its totient is φ = 6924367359360.

The previous prime is 21010333221079. The next prime is 21010333221161. The reversal of 21010333221132 is 23112233301012.

It is a super-2 number, since 2×21010333221132² (a number of 27 digits) contains 22 as substring.

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, 18909219 + ... + 19989477.

It is an arithmetic number, because the mean of its divisors is an integer number (1032868993800).

Almost surely, 2^{21010333221132} is an apocalyptic number.

It is an amenable number.

21010333221132 is an abundant number, since it is smaller than the sum of its proper divisors (28567378481268).

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

21010333221132 is a wasteful number, since it uses less digits than its factorization.

21010333221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098566 (or 1098564 counting only the distinct ones).

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

Adding to 21010333221132 its reverse (23112233301012), we get a palindrome (44122566522144).

The spelling of 21010333221132 in words is "twenty-one trillion, ten billion, three hundred thirty-three million, two hundred twenty-one thousand, one hundred thirty-two".