100112210021 has 8 divisors (see below), whose sum is σ = 101821829760. Its totient is φ = 98403017152.

The previous prime is 100112209973. The next prime is 100112210047. The reversal of 100112210021 is 120012211001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100112210021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100112209984 and 100112210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112212021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385556 + ... + 590658.

It is an arithmetic number, because the mean of its divisors is an integer number (12727728720).

Almost surely, 2^100112210021 is an apocalyptic number.

It is an amenable number.

100112210021 is a deficient number, since it is larger than the sum of its proper divisors (1709619739).

100112210021 is an equidigital number, since it uses as much as digits as its factorization.

100112210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213435.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100112210021 its reverse (120012211001), we get a palindrome (220124421022).

The spelling of 100112210021 in words is "one hundred billion, one hundred twelve million, two hundred ten thousand, twenty-one".