21211012302332 has 12 divisors (see below), whose sum is σ = 37123915557456. Its totient is φ = 10604179285920.

The previous prime is 21211012302247. The next prime is 21211012302397. The reversal of 21211012302332 is 23320321011212.

It is a junction number, because it is equal to n+sod(n) for n = 21211012302298 and 21211012302307.

It is a congruent number.

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, 331680344 + ... + 331744287.

It is an arithmetic number, because the mean of its divisors is an integer number (3093659629788).

Almost surely, 2^{21211012302332} is an apocalyptic number.

It is an amenable number.

21211012302332 is a deficient number, since it is larger than the sum of its proper divisors (15912903255124).

21211012302332 is a wasteful number, since it uses less digits than its factorization.

21211012302332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663432628 (or 663432626 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21211012302332 its reverse (23320321011212), we get a palindrome (44531333313544).

The spelling of 21211012302332 in words is "twenty-one trillion, two hundred eleven billion, twelve million, three hundred two thousand, three hundred thirty-two".