2101404111 has 8 divisors (see below), whose sum is σ = 2841335424. Its totient is φ = 1381204440.

The previous prime is 2101404031. The next prime is 2101404113. The reversal of 2101404111 is 1114041012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2101404111 - 2²¹ = 2099306959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101404113) 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 7 ways as a sum of consecutive naturals, for example, 4932661 + ... + 4933086.

It is an arithmetic number, because the mean of its divisors is an integer number (355166928).

Almost surely, 2^2101404111 is an apocalyptic number.

2101404111 is a deficient number, since it is larger than the sum of its proper divisors (739931313).

2101404111 is an equidigital number, since it uses as much as digits as its factorization.

2101404111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9865821.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2101404111 is about 45841.0744965691. The cubic root of 2101404111 is about 1280.8645101772.

Adding to 2101404111 its reverse (1114041012), we get a palindrome (3215445123).

The spelling of 2101404111 in words is "two billion, one hundred one million, four hundred four thousand, one hundred eleven".