11221210210011 has 8 divisors (see below), whose sum is σ = 15309558116160. Its totient is φ = 7306834555272.

The previous prime is 11221210209983. The next prime is 11221210210057. The reversal of 11221210210011 is 11001201212211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11221210210011 - 2⁹ = 11221210209499 is a prime.

It is a super-2 number, since 2×11221210210011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221210210081) 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, 43493062701 + ... + 43493062958.

It is an arithmetic number, because the mean of its divisors is an integer number (1913694764520).

Almost surely, 2^{11221210210011} is an apocalyptic number.

11221210210011 is a deficient number, since it is larger than the sum of its proper divisors (4088347906149).

11221210210011 is an equidigital number, since it uses as much as digits as its factorization.

11221210210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86986125705.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11221210210011 its reverse (11001201212211), we get a palindrome (22222411422222).

The spelling of 11221210210011 in words is "eleven trillion, two hundred twenty-one billion, two hundred ten million, two hundred ten thousand, eleven".