2111144147 has 8 divisors (see below), whose sum is σ = 2415178752. Its totient is φ = 1807720200.

The previous prime is 2111144141. The next prime is 2111144173. The reversal of 2111144147 is 7414411112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111144147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111144141) 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, 145229 + ... + 159102.

It is an arithmetic number, because the mean of its divisors is an integer number (301897344).

Almost surely, 2^2111144147 is an apocalyptic number.

2111144147 is a deficient number, since it is larger than the sum of its proper divisors (304034605).

2111144147 is an equidigital number, since it uses as much as digits as its factorization.

2111144147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305329.

The product of its digits is 896, while the sum is 26.

The square root of 2111144147 is about 45947.1886735195. The cubic root of 2111144147 is about 1282.8404018989.

Adding to 2111144147 its reverse (7414411112), we get a palindrome (9525555259).

The spelling of 2111144147 in words is "two billion, one hundred eleven million, one hundred forty-four thousand, one hundred forty-seven".