112011111020121 has 4 divisors (see below), whose sum is σ = 149348148026832. Its totient is φ = 74674074013412.

The previous prime is 112011111020119. The next prime is 112011111020191. The reversal of 112011111020121 is 121020111110211.

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 112011111020121 - 2¹ = 112011111020119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112011111020121.

It is not an unprimeable number, because it can be changed into a prime (112011111020111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18668518503351 + ... + 18668518503356.

It is an arithmetic number, because the mean of its divisors is an integer number (37337037006708).

Almost surely, 2^{112011111020121} is an apocalyptic number.

It is an amenable number.

112011111020121 is a deficient number, since it is larger than the sum of its proper divisors (37337037006711).

112011111020121 is an equidigital number, since it uses as much as digits as its factorization.

112011111020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37337037006710.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 112011111020121 its reverse (121020111110211), we get a palindrome (233031222130332).

The spelling of 112011111020121 in words is "one hundred twelve trillion, eleven billion, one hundred eleven million, twenty thousand, one hundred twenty-one".