11112020122001 has 4 divisors (see below), whose sum is σ = 11112030158400. Its totient is φ = 11112010085604.

The previous prime is 11112020121967. The next prime is 11112020122039. The reversal of 11112020122001 is 10022102021111.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11112020122001 - 2¹⁴ = 11112020105617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112020022001) 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 3 ways as a sum of consecutive naturals, for example, 3117461 + ... + 5651778.

It is an arithmetic number, because the mean of its divisors is an integer number (2778007539600).

Almost surely, 2^{11112020122001} is an apocalyptic number.

It is an amenable number.

11112020122001 is a deficient number, since it is larger than the sum of its proper divisors (10036399).

11112020122001 is an equidigital number, since it uses as much as digits as its factorization.

11112020122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10036398.

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

Adding to 11112020122001 its reverse (10022102021111), we get a palindrome (21134122143112).

The spelling of 11112020122001 in words is "eleven trillion, one hundred twelve billion, twenty million, one hundred twenty-two thousand, one".