11121002022021 has 8 divisors (see below), whose sum is σ = 14828018345760. Its totient is φ = 7413993523152.

The previous prime is 11121002022019. The next prime is 11121002022071. The reversal of 11121002022021 is 12022020012111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11121002022021 - 2¹ = 11121002022019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121002022071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3679215 + ... + 5981523.

It is an arithmetic number, because the mean of its divisors is an integer number (1853502293220).

Almost surely, 2^{11121002022021} is an apocalyptic number.

It is an amenable number.

11121002022021 is a deficient number, since it is larger than the sum of its proper divisors (3707016323739).

11121002022021 is a wasteful number, since it uses less digits than its factorization.

11121002022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912435.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11121002022021 its reverse (12022020012111), we get a palindrome (23143022034132).

The spelling of 11121002022021 in words is "eleven trillion, one hundred twenty-one billion, two million, twenty-two thousand, twenty-one".