100203321123320 has 32 divisors (see below), whose sum is σ = 229711387108320. Its totient is φ = 39325076968320.

The previous prime is 100203321123313. The next prime is 100203321123343. The reversal of 100203321123320 is 23321123302001.

It is a super-3 number, since 3×100203321123320³ (a number of 43 digits) contains 333 as substring.

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, 23632856636 + ... + 23632860875.

It is an arithmetic number, because the mean of its divisors is an integer number (7178480847135).

Almost surely, 2^{100203321123320} is an apocalyptic number.

100203321123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100203321123320 is an abundant number, since it is smaller than the sum of its proper divisors (129508065985000).

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

100203321123320 is a wasteful number, since it uses less digits than its factorization.

100203321123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47265717575 (or 47265717571 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 100203321123320 its reverse (23321123302001), we get a palindrome (123524444425321).

The spelling of 100203321123320 in words is "one hundred trillion, two hundred three billion, three hundred twenty-one million, one hundred twenty-three thousand, three hundred twenty".