11100202011 has 10 divisors (see below), whose sum is σ = 16581783372. Its totient is φ = 7400134620.

The previous prime is 11100202007. The next prime is 11100202013. The reversal of 11100202011 is 11020200111.

It is a happy number.

It is not a de Polignac number, because 11100202011 - 2² = 11100202007 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 = 11100201984 and 11100202002.

It is not an unprimeable number, because it can be changed into a prime (11100202013) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68519685 + ... + 68519846.

Almost surely, 2^11100202011 is an apocalyptic number.

11100202011 is a deficient number, since it is larger than the sum of its proper divisors (5481581361).

11100202011 is an equidigital number, since it uses as much as digits as its factorization.

11100202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137039543 (or 137039534 counting only the distinct ones).

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

Adding to 11100202011 its reverse (11020200111), we get a palindrome (22120402122).

The spelling of 11100202011 in words is "eleven billion, one hundred million, two hundred two thousand, eleven".