11221210011 has 8 divisors (see below), whose sum is σ = 16321760064. Its totient is φ = 6800733320.

The previous prime is 11221209973. The next prime is 11221210067. The reversal of 11221210011 is 11001212211.

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 11221210011 - 2²² = 11217015707 is a prime.

It is a super-2 number, since 2×11221210011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221210811) 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, 170018301 + ... + 170018366.

It is an arithmetic number, because the mean of its divisors is an integer number (2040220008).

Almost surely, 2^11221210011 is an apocalyptic number.

11221210011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11221210011 is a deficient number, since it is larger than the sum of its proper divisors (5100550053).

11221210011 is a wasteful number, since it uses less digits than its factorization.

11221210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340036681.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11221210011 its reverse (11001212211), we get a palindrome (22222422222).

The spelling of 11221210011 in words is "eleven billion, two hundred twenty-one million, two hundred ten thousand, eleven".