2101112103001 has 4 divisors (see below), whose sum is σ = 2101139287092. Its totient is φ = 2101084918912.

The previous prime is 2101112102983. The next prime is 2101112103011. The reversal of 2101112103001 is 1003012111012.

It is a happy number.

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 1457428417600 + 643683685401 = 1207240^2 + 802299^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101112103001 - 2¹¹ = 2101112100953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101112103011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13475776 + ... + 13630801.

It is an arithmetic number, because the mean of its divisors is an integer number (525284821773).

Almost surely, 2^{2101112103001} is an apocalyptic number.

It is an amenable number.

2101112103001 is a deficient number, since it is larger than the sum of its proper divisors (27184091).

2101112103001 is an equidigital number, since it uses as much as digits as its factorization.

2101112103001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27184090.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 2101112103001 its reverse (1003012111012), we get a palindrome (3104124214013).

The spelling of 2101112103001 in words is "two trillion, one hundred one billion, one hundred twelve million, one hundred three thousand, one".