21223231020332 has 12 divisors (see below), whose sum is σ = 40517077402536. Its totient is φ = 9646923191040.

The previous prime is 21223231020317. The next prime is 21223231020361. The reversal of 21223231020332 is 23302013232212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241173079733 + ... + 241173079820.

It is an arithmetic number, because the mean of its divisors is an integer number (3376423116878).

Almost surely, 2^{21223231020332} is an apocalyptic number.

21223231020332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21223231020332 is a deficient number, since it is larger than the sum of its proper divisors (19293846382204).

21223231020332 is a wasteful number, since it uses less digits than its factorization.

21223231020332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482346159568 (or 482346159566 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21223231020332 its reverse (23302013232212), we get a palindrome (44525244252544).

The spelling of 21223231020332 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred thirty-one million, twenty thousand, three hundred thirty-two".