11201002011 has 12 divisors (see below), whose sum is σ = 16573840920. Its totient is φ = 7285204320.

The previous prime is 11201002003. The next prime is 11201002013. The reversal of 11201002011 is 11020010211.

It is a happy number.

It is not a de Polignac number, because 11201002011 - 2³ = 11201002003 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 = 11201001984 and 11201002002.

It is not an unprimeable number, because it can be changed into a prime (11201002013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15177141 + ... + 15177878.

It is an arithmetic number, because the mean of its divisors is an integer number (1381153410).

Almost surely, 2^11201002011 is an apocalyptic number.

11201002011 is a deficient number, since it is larger than the sum of its proper divisors (5372838909).

11201002011 is a wasteful number, since it uses less digits than its factorization.

11201002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30355066 (or 30355063 counting only the distinct ones).

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

Adding to 11201002011 its reverse (11020010211), we get a palindrome (22221012222).

The spelling of 11201002011 in words is "eleven billion, two hundred one million, two thousand, eleven".