11120101002221 has 4 divisors (see below), whose sum is σ = 11329914228732. Its totient is φ = 10910287775712.

The previous prime is 11120101002169. The next prime is 11120101002229. The reversal of 11120101002221 is 12220010102111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6286984552996 + 4833116449225 = 2507386^2 + 2198435^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120101002221 - 2¹⁰ = 11120101001197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120101002196 and 11120101002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120101002229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104906613176 + ... + 104906613281.

It is an arithmetic number, because the mean of its divisors is an integer number (2832478557183).

Almost surely, 2^{11120101002221} is an apocalyptic number.

It is an amenable number.

11120101002221 is a deficient number, since it is larger than the sum of its proper divisors (209813226511).

11120101002221 is an equidigital number, since it uses as much as digits as its factorization.

11120101002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209813226510.

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

Adding to 11120101002221 its reverse (12220010102111), we get a palindrome (23340111104332).

The spelling of 11120101002221 in words is "eleven trillion, one hundred twenty billion, one hundred one million, two thousand, two hundred twenty-one".