21102323322100 has 36 divisors (see below), whose sum is σ = 48202149066400. Its totient is φ = 7996669889760.

The previous prime is 21102323322077. The next prime is 21102323322131. The reversal of 21102323322100 is 122332320112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5553241080 + ... + 5553244879.

Almost surely, 2^{21102323322100} is an apocalyptic number.

21102323322100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21102323322100 is an abundant number, since it is smaller than the sum of its proper divisors (27099825744300).

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

21102323322100 is a wasteful number, since it uses less digits than its factorization.

21102323322100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106485992 (or 11106485985 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21102323322100 its reverse (122332320112), we get a palindrome (21224655642212).

The spelling of 21102323322100 in words is "twenty-one trillion, one hundred two billion, three hundred twenty-three million, three hundred twenty-two thousand, one hundred".