11001110120221 has 16 divisors (see below), whose sum is σ = 11859865355520. Its totient is φ = 10144144296000.

The previous prime is 11001110120207. The next prime is 11001110120243. The reversal of 11001110120221 is 12202101110011.

It is a happy number.

It is not a de Polignac number, because 11001110120221 - 2⁹ = 11001110119709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001110127221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376078846 + ... + 376108096.

It is an arithmetic number, because the mean of its divisors is an integer number (741241584720).

Almost surely, 2^{11001110120221} is an apocalyptic number.

It is an amenable number.

11001110120221 is a deficient number, since it is larger than the sum of its proper divisors (858755235299).

11001110120221 is a wasteful number, since it uses less digits than its factorization.

11001110120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58836.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11001110120221 its reverse (12202101110011), we get a palindrome (23203211230232).

The spelling of 11001110120221 in words is "eleven trillion, one billion, one hundred ten million, one hundred twenty thousand, two hundred twenty-one".