11221020120211 has 8 divisors (see below), whose sum is σ = 12362311996848. Its totient is φ = 10099928100000.

The previous prime is 11221020120199. The next prime is 11221020120217. The reversal of 11221020120211 is 11202102012211.

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 11221020120211 - 2¹¹ = 11221020118163 is a prime.

It is a super-2 number, since 2×11221020120211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221020120217) 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, 5049962940 + ... + 5049965161.

It is an arithmetic number, because the mean of its divisors is an integer number (1545288999606).

Almost surely, 2^{11221020120211} is an apocalyptic number.

11221020120211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11221020120211 is a deficient number, since it is larger than the sum of its proper divisors (1141291876637).

11221020120211 is a wasteful number, since it uses less digits than its factorization.

11221020120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10099928213.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11221020120211 its reverse (11202102012211), we get a palindrome (22423122132422).

The spelling of 11221020120211 in words is "eleven trillion, two hundred twenty-one billion, twenty million, one hundred twenty thousand, two hundred eleven".