11120020012121 has 4 divisors (see below), whose sum is σ = 11120079709200. Its totient is φ = 11119960315044.

The previous prime is 11120020012099. The next prime is 11120020012147. The reversal of 11120020012121 is 12121002002111.

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.

It is a cyclic number.

It is not a de Polignac number, because 11120020012121 - 2⁴² = 6721973501017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120020012096 and 11120020012105.

It is not an unprimeable number, because it can be changed into a prime (11120020512121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29568251 + ... + 29941968.

It is an arithmetic number, because the mean of its divisors is an integer number (2780019927300).

Almost surely, 2^{11120020012121} is an apocalyptic number.

It is an amenable number.

11120020012121 is a deficient number, since it is larger than the sum of its proper divisors (59697079).

11120020012121 is an equidigital number, since it uses as much as digits as its factorization.

11120020012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59697078.

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

Adding to 11120020012121 its reverse (12121002002111), we get a palindrome (23241022014232).

The spelling of 11120020012121 in words is "eleven trillion, one hundred twenty billion, twenty million, twelve thousand, one hundred twenty-one".