2021112100101 has 8 divisors (see below), whose sum is σ = 2697854261184. Its totient is φ = 1345889002880.

The previous prime is 2021112100087. The next prime is 2021112100103. The reversal of 2021112100101 is 1010012111202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021112100101 - 2¹⁵ = 2021112067333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021112100103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379762860 + ... + 379768181.

It is an arithmetic number, because the mean of its divisors is an integer number (337231782648).

Almost surely, 2^{2021112100101} is an apocalyptic number.

It is an amenable number.

2021112100101 is a deficient number, since it is larger than the sum of its proper divisors (676742161083).

2021112100101 is an equidigital number, since it uses as much as digits as its factorization.

2021112100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759531931.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2021112100101 its reverse (1010012111202), we get a palindrome (3031124211303).

The spelling of 2021112100101 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred thousand, one hundred one".