100021101320 has 32 divisors (see below), whose sum is σ = 257197118400. Its totient is φ = 34292948928.

The previous prime is 100021101319. The next prime is 100021101361. The reversal of 100021101320 is 23101120001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178608830 + ... + 178609389.

It is an arithmetic number, because the mean of its divisors is an integer number (8037409950).

Almost surely, 2^100021101320 is an apocalyptic number.

100021101320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100021101320 is an abundant number, since it is smaller than the sum of its proper divisors (157176017080).

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

100021101320 is a wasteful number, since it uses less digits than its factorization.

100021101320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357218237 (or 357218233 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100021101320 its reverse (23101120001), we get a palindrome (123122221321).

The spelling of 100021101320 in words is "one hundred billion, twenty-one million, one hundred one thousand, three hundred twenty".