1011052111 has 4 divisors (see below), whose sum is σ = 1064265400. Its totient is φ = 957838824.

The previous prime is 1011052099. The next prime is 1011052139. The reversal of 1011052111 is 1112501101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011052111 - 2⁷ = 1011051983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011052091 and 1011052100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011052151) 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 3 ways as a sum of consecutive naturals, for example, 26606616 + ... + 26606653.

It is an arithmetic number, because the mean of its divisors is an integer number (266066350).

Almost surely, 2^1011052111 is an apocalyptic number.

1011052111 is a deficient number, since it is larger than the sum of its proper divisors (53213289).

1011052111 is an equidigital number, since it uses as much as digits as its factorization.

1011052111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53213288.

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

The square root of 1011052111 is about 31797.0456332031. The cubic root of 1011052111 is about 1003.6705475960.

Adding to 1011052111 its reverse (1112501101), we get a palindrome (2123553212).

The spelling of 1011052111 in words is "one billion, eleven million, fifty-two thousand, one hundred eleven".