100612102121101 has 4 divisors (see below), whose sum is σ = 103331348124412. Its totient is φ = 97892856117792.

The previous prime is 100612102121087. The next prime is 100612102121119. The reversal of 100612102121101 is 101121201216001.

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 69981422940100 + 30630679181001 = 8365490^2 + 5534499^2 .

It is a cyclic number.

It is not a de Polignac number, because 100612102121101 - 2⁹ = 100612102120589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100612102122101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359623001600 + ... + 1359623001673.

It is an arithmetic number, because the mean of its divisors is an integer number (25832837031103).

Almost surely, 2^{100612102121101} is an apocalyptic number.

It is an amenable number.

100612102121101 is a deficient number, since it is larger than the sum of its proper divisors (2719246003311).

100612102121101 is an equidigital number, since it uses as much as digits as its factorization.

100612102121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719246003310.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 100612102121101 its reverse (101121201216001), we get a palindrome (201733303337102).

The spelling of 100612102121101 in words is "one hundred trillion, six hundred twelve billion, one hundred two million, one hundred twenty-one thousand, one hundred one".