21033311211132 has 48 divisors (see below), whose sum is σ = 53539633257600. Its totient is φ = 6373695476160.

The previous prime is 21033311211109. The next prime is 21033311211149. The reversal of 21033311211132 is 23111211333012.

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, 33350094 + ... + 33974922.

It is an arithmetic number, because the mean of its divisors is an integer number (1115409026200).

Almost surely, 2^{21033311211132} is an apocalyptic number.

21033311211132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21033311211132 is an abundant number, since it is smaller than the sum of its proper divisors (32506322046468).

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

21033311211132 is a wasteful number, since it uses less digits than its factorization.

21033311211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879866 (or 879864 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 21033311211132 its reverse (23111211333012), we get a palindrome (44144522544144).

The spelling of 21033311211132 in words is "twenty-one trillion, thirty-three billion, three hundred eleven million, two hundred eleven thousand, one hundred thirty-two".