21102210002324 has 24 divisors (see below), whose sum is σ = 40301199727488. Its totient is φ = 9588303530240.

The previous prime is 21102210002273. The next prime is 21102210002369. The reversal of 21102210002324 is 42320001220112.

It is a junction number, because it is equal to n+sod(n) for n = 21102210002296 and 21102210002305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90134444 + ... + 90368259.

It is an arithmetic number, because the mean of its divisors is an integer number (1679216655312).

Almost surely, 2^{21102210002324} is an apocalyptic number.

It is an amenable number.

21102210002324 is a deficient number, since it is larger than the sum of its proper divisors (19198989725164).

21102210002324 is a wasteful number, since it uses less digits than its factorization.

21102210002324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180505375 (or 180505373 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21102210002324 its reverse (42320001220112), we get a palindrome (63422211222436).

The spelling of 21102210002324 in words is "twenty-one trillion, one hundred two billion, two hundred ten million, two thousand, three hundred twenty-four".