100212100020001 has 4 divisors (see below), whose sum is σ = 100214896230400. Its totient is φ = 100209303809604.

The previous prime is 100212100019987. The next prime is 100212100020007. The reversal of 100212100020001 is 100020001212001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100212100020001 - 2³⁷ = 100074661066529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100212100020001.

It is not an unprimeable number, because it can be changed into a prime (100212100020007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398051441 + ... + 1398123118.

It is an arithmetic number, because the mean of its divisors is an integer number (25053724057600).

Almost surely, 2^{100212100020001} is an apocalyptic number.

It is an amenable number.

100212100020001 is a deficient number, since it is larger than the sum of its proper divisors (2796210399).

100212100020001 is an equidigital number, since it uses as much as digits as its factorization.

100212100020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796210398.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100212100020001 its reverse (100020001212001), we get a palindrome (200232101232002).

The spelling of 100212100020001 in words is "one hundred trillion, two hundred twelve billion, one hundred million, twenty thousand, one".