11221020112101 has 8 divisors (see below), whose sum is σ = 14961385169280. Its totient is φ = 7480667564832.

The previous prime is 11221020112051. The next prime is 11221020112109. The reversal of 11221020112101 is 10121102012211.

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 11221020112101 - 2¹⁴ = 11221020095717 is a prime.

It is a super-2 number, since 2×11221020112101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221020112109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783600 + ... + 4801673.

It is an arithmetic number, because the mean of its divisors is an integer number (1870173146160).

Almost surely, 2^{11221020112101} is an apocalyptic number.

It is an amenable number.

11221020112101 is a deficient number, since it is larger than the sum of its proper divisors (3740365057179).

11221020112101 is an equidigital number, since it uses as much as digits as its factorization.

11221020112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6254955.

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

Adding to 11221020112101 its reverse (10121102012211), we get a palindrome (21342122124312).

The spelling of 11221020112101 in words is "eleven trillion, two hundred twenty-one billion, twenty million, one hundred twelve thousand, one hundred one".