1001152111 has 2 divisors, whose sum is σ = 1001152112. Its totient is φ = 1001152110.

The previous prime is 1001152109. The next prime is 1001152129. The reversal of 1001152111 is 1112511001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001152111 - 2¹ = 1001152109 is a prime.

Together with 1001152109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1001152091 and 1001152100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001152171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500576055 + 500576056.

It is an arithmetic number, because the mean of its divisors is an integer number (500576056).

Almost surely, 2^1001152111 is an apocalyptic number.

1001152111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001152111 is an equidigital number, since it uses as much as digits as its factorization.

1001152111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 1001152111 is about 31640.9878322406. The cubic root of 1001152111 is about 1000.3838896099.

Adding to 1001152111 its reverse (1112511001), we get a palindrome (2113663112).

The spelling of 1001152111 in words is "one billion, one million, one hundred fifty-two thousand, one hundred eleven".