1011145211 has 8 divisors (see below), whose sum is σ = 1081813200. Its totient is φ = 942222240.

The previous prime is 1011145199. The next prime is 1011145229. The reversal of 1011145211 is 1125411101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011145211 - 2⁶ = 1011145147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011145211.

It is not an unprimeable number, because it can be changed into a prime (1011145271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435056 + ... + 437373.

It is an arithmetic number, because the mean of its divisors is an integer number (135226650).

Almost surely, 2^1011145211 is an apocalyptic number.

1011145211 is a deficient number, since it is larger than the sum of its proper divisors (70667989).

1011145211 is an equidigital number, since it uses as much as digits as its factorization.

1011145211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872509.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 1011145211 is about 31798.5095719909. The cubic root of 1011145211 is about 1003.7013534134.

Adding to 1011145211 its reverse (1125411101), we get a palindrome (2136556312).

The spelling of 1011145211 in words is "one billion, eleven million, one hundred forty-five thousand, two hundred eleven".