100112020020101 has 4 divisors (see below), whose sum is σ = 100112040537900. Its totient is φ = 100111999502304.

The previous prime is 100112020020071. The next prime is 100112020020151. The reversal of 100112020020101 is 101020020211001.

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 67949521922500 + 32162498097601 = 8243150^2 + 5671199^2 .

It is a cyclic number.

It is not a de Polignac number, because 100112020020101 - 2⁶ = 100112020020037 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 (100112020020151) 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, 1731035 + ... + 14255543.

It is an arithmetic number, because the mean of its divisors is an integer number (25028010134475).

Almost surely, 2^{100112020020101} is an apocalyptic number.

It is an amenable number.

100112020020101 is a deficient number, since it is larger than the sum of its proper divisors (20517799).

100112020020101 is an equidigital number, since it uses as much as digits as its factorization.

100112020020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20517798.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100112020020101 its reverse (101020020211001), we get a palindrome (201132040231102).

The spelling of 100112020020101 in words is "one hundred trillion, one hundred twelve billion, twenty million, twenty thousand, one hundred one".