2145107111 has 8 divisors (see below), whose sum is σ = 2458828320. Its totient is φ = 1833205248.

The previous prime is 2145107101. The next prime is 2145107143. The reversal of 2145107111 is 1117015412.

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

It is a de Polignac number, because none of the positive numbers 2^k-2145107111 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 (2145107101) 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 7 ways as a sum of consecutive naturals, for example, 452306 + ... + 457023.

It is an arithmetic number, because the mean of its divisors is an integer number (307353540).

Almost surely, 2^2145107111 is an apocalyptic number.

2145107111 is a deficient number, since it is larger than the sum of its proper divisors (313721209).

2145107111 is an equidigital number, since it uses as much as digits as its factorization.

2145107111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909673.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 2145107111 is about 46315.3010461985. The cubic root of 2145107111 is about 1289.6830563623.

The spelling of 2145107111 in words is "two billion, one hundred forty-five million, one hundred seven thousand, one hundred eleven".