11221120012021 has 8 divisors (see below), whose sum is σ = 11643107650304. Its totient is φ = 10802883375360.

The previous prime is 11221120012019. The next prime is 11221120012027. The reversal of 11221120012021 is 12021002112211.

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 11221120012021 - 2¹ = 11221120012019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221120011986 and 11221120012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221120012027) 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, 937744311 + ... + 937756276.

It is an arithmetic number, because the mean of its divisors is an integer number (1455388456288).

Almost surely, 2^{11221120012021} is an apocalyptic number.

It is an amenable number.

11221120012021 is a deficient number, since it is larger than the sum of its proper divisors (421987638283).

11221120012021 is a wasteful number, since it uses less digits than its factorization.

11221120012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875500811.

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

Adding to 11221120012021 its reverse (12021002112211), we get a palindrome (23242122124232).

The spelling of 11221120012021 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty million, twelve thousand, twenty-one".