11221021100211 has 8 divisors (see below), whose sum is σ = 16112235426000. Its totient is φ = 6905243753952.

The previous prime is 11221021100161. The next prime is 11221021100213. The reversal of 11221021100211 is 11200112012211.

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 11221021100211 - 2¹⁰ = 11221021099187 is a prime.

It is a super-2 number, since 2×11221021100211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221021100213) 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, 143859244836 + ... + 143859244913.

It is an arithmetic number, because the mean of its divisors is an integer number (2014029428250).

Almost surely, 2^{11221021100211} is an apocalyptic number.

11221021100211 is a deficient number, since it is larger than the sum of its proper divisors (4891214325789).

11221021100211 is a wasteful number, since it uses less digits than its factorization.

11221021100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287718489765.

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

Adding to 11221021100211 its reverse (11200112012211), we get a palindrome (22421133112422).

The spelling of 11221021100211 in words is "eleven trillion, two hundred twenty-one billion, twenty-one million, one hundred thousand, two hundred eleven".