1100212011 has 16 divisors (see below), whose sum is σ = 1639372320. Its totient is φ = 729231840.

The previous prime is 1100211989. The next prime is 1100212013. The reversal of 1100212011 is 1102120011.

It is a happy number.

1100212011 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1100212011 - 2¹¹ = 1100209963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1100211984 and 1100212002.

It is not an unprimeable number, because it can be changed into a prime (1100212013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113100 + ... + 122441.

It is an arithmetic number, because the mean of its divisors is an integer number (102460770).

Almost surely, 2^1100212011 is an apocalyptic number.

1100212011 is a deficient number, since it is larger than the sum of its proper divisors (539160309).

1100212011 is a wasteful number, since it uses less digits than its factorization.

1100212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235723 (or 235717 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1100212011 is about 33169.4439356466. The cubic root of 1100212011 is about 1032.3464308141.

Adding to 1100212011 its reverse (1102120011), we get a palindrome (2202332022).

The spelling of 1100212011 in words is "one billion, one hundred million, two hundred twelve thousand, eleven".