11221012211 has 8 divisors (see below), whose sum is σ = 11341287360. Its totient is φ = 11101022568.

The previous prime is 11221012207. The next prime is 11221012213.

11221012211 is nontrivially palindromic in base 10.

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 11221012211 - 2² = 11221012207 is a prime.

It is a super-2 number, since 2×11221012211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221012213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8120 + ... + 150026.

It is an arithmetic number, because the mean of its divisors is an integer number (1417660920).

Almost surely, 2^11221012211 is an apocalyptic number.

11221012211 is a deficient number, since it is larger than the sum of its proper divisors (120275149).

11221012211 is a wasteful number, since it uses less digits than its factorization.

11221012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142753.

The product of its (nonzero) digits is 16, while the sum is 14.

It can be divided in two parts, 112210 and 12211, that added together give a palindrome (124421).

The spelling of 11221012211 in words is "eleven billion, two hundred twenty-one million, twelve thousand, two hundred eleven".