11221202011 has 8 divisors (see below), whose sum is σ = 11254855680. Its totient is φ = 11187591912.

The previous prime is 11221201993. The next prime is 11221202021. The reversal of 11221202011 is 11020212211.

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 11221202011 - 2¹¹ = 11221199963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221201982 and 11221202000.

It is not an unprimeable number, because it can be changed into a prime (11221202021) 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, 547006 + ... + 567148.

It is an arithmetic number, because the mean of its divisors is an integer number (1406856960).

Almost surely, 2^11221202011 is an apocalyptic number.

11221202011 is a deficient number, since it is larger than the sum of its proper divisors (33653669).

11221202011 is a wasteful number, since it uses less digits than its factorization.

11221202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21785.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11221202011 its reverse (11020212211), we get a palindrome (22241414222).

The spelling of 11221202011 in words is "eleven billion, two hundred twenty-one million, two hundred two thousand, eleven".