100112212021201 has 16 divisors (see below), whose sum is σ = 104535004477824. Its totient is φ = 95695274150784.

The previous prime is 100112212021189. The next prime is 100112212021249. The reversal of 100112212021201 is 102120212211001.

It is a cyclic number.

It is not a de Polignac number, because 100112212021201 - 2²¹ = 100112209924049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100112212021501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325210111 + ... + 325517803.

It is an arithmetic number, because the mean of its divisors is an integer number (6533437779864).

Almost surely, 2^{100112212021201} is an apocalyptic number.

It is an amenable number.

100112212021201 is a deficient number, since it is larger than the sum of its proper divisors (4422792456623).

100112212021201 is a wasteful number, since it uses less digits than its factorization.

100112212021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317160.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100112212021201 its reverse (102120212211001), we get a palindrome (202232424232202).

The spelling of 100112212021201 in words is "one hundred trillion, one hundred twelve billion, two hundred twelve million, twenty-one thousand, two hundred one".