2111601205101 has 4 divisors (see below), whose sum is σ = 2815468273472. Its totient is φ = 1407734136732.

The previous prime is 2111601205079. The next prime is 2111601205157. The reversal of 2111601205101 is 1015021061112.

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 not a de Polignac number, because 2111601205101 - 2¹⁰ = 2111601204077 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 (2111601205601) 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, 351933534181 + ... + 351933534186.

It is an arithmetic number, because the mean of its divisors is an integer number (703867068368).

Almost surely, 2^{2111601205101} is an apocalyptic number.

It is an amenable number.

2111601205101 is a deficient number, since it is larger than the sum of its proper divisors (703867068371).

2111601205101 is an equidigital number, since it uses as much as digits as its factorization.

2111601205101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703867068370.

The product of its (nonzero) digits is 120, while the sum is 21.

Adding to 2111601205101 its reverse (1015021061112), we get a palindrome (3126622266213).

The spelling of 2111601205101 in words is "two trillion, one hundred eleven billion, six hundred one million, two hundred five thousand, one hundred one".