11221120101101 has 4 divisors (see below), whose sum is σ = 11811705369600. Its totient is φ = 10630534832604.

The previous prime is 11221120100989. The next prime is 11221120101137. The reversal of 11221120101101 is 10110102112211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221120101101 is a prime.

It is a super-2 number, since 2×11221120101101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221120106101) 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 3 ways as a sum of consecutive naturals, for example, 295292634221 + ... + 295292634258.

It is an arithmetic number, because the mean of its divisors is an integer number (2952926342400).

Almost surely, 2^{11221120101101} is an apocalyptic number.

It is an amenable number.

11221120101101 is a deficient number, since it is larger than the sum of its proper divisors (590585268499).

11221120101101 is an equidigital number, since it uses as much as digits as its factorization.

11221120101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590585268498.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11221120101101 its reverse (10110102112211), we get a palindrome (21331222213312).

The spelling of 11221120101101 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty million, one hundred one thousand, one hundred one".