100001101212113 has 4 divisors (see below), whose sum is σ = 100001609046948. Its totient is φ = 100000593377280.

The previous prime is 100001101212107. The next prime is 100001101212139. The reversal of 100001101212113 is 311212101100001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42079975400464 + 57921125811649 = 6486908^2 + 7610593^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001101212113 - 2¹² = 100001101208017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100001101212163) 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, 253621928 + ... + 254015913.

It is an arithmetic number, because the mean of its divisors is an integer number (25000402261737).

Almost surely, 2^{100001101212113} is an apocalyptic number.

It is an amenable number.

100001101212113 is a deficient number, since it is larger than the sum of its proper divisors (507834835).

100001101212113 is an equidigital number, since it uses as much as digits as its factorization.

100001101212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507834834.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 100001101212113 its reverse (311212101100001), we get a palindrome (411213202312114).

The spelling of 100001101212113 in words is "one hundred trillion, one billion, one hundred one million, two hundred twelve thousand, one hundred thirteen".