100321213112 has 64 divisors (see below), whose sum is σ = 202363315200. Its totient is φ = 46475441280.

The previous prime is 100321213099. The next prime is 100321213121. The reversal of 100321213112 is 211312123001.

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, 11576093 + ... + 11584755.

It is an arithmetic number, because the mean of its divisors is an integer number (3161926800).

Almost surely, 2^100321213112 is an apocalyptic number.

It is an amenable number.

100321213112 is an abundant number, since it is smaller than the sum of its proper divisors (102042102088).

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

100321213112 is a wasteful number, since it uses less digits than its factorization.

100321213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10356 (or 10352 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 100321213112 its reverse (211312123001), we get a palindrome (311633336113).

The spelling of 100321213112 in words is "one hundred billion, three hundred twenty-one million, two hundred thirteen thousand, one hundred twelve".