1112001121121 has 4 divisors (see below), whose sum is σ = 1213092132144. Its totient is φ = 1010910110100.

The previous prime is 1112001121093. The next prime is 1112001121157. The reversal of 1112001121121 is 1211211002111.

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 not a de Polignac number, because 1112001121121 - 2¹⁸ = 1112000858977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112001121096 and 1112001121105.

It is not an unprimeable number, because it can be changed into a prime (1112001121921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50545505495 + ... + 50545505516.

It is an arithmetic number, because the mean of its divisors is an integer number (303273033036).

Almost surely, 2^{1112001121121} is an apocalyptic number.

1112001121121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112001121121 is a deficient number, since it is larger than the sum of its proper divisors (101091011023).

1112001121121 is a wasteful number, since it uses less digits than its factorization.

1112001121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101091011022.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1112001121121 its reverse (1211211002111), we get a palindrome (2323212123232).

It can be divided in two parts, 111200 and 1121121, that added together give a palindrome (1232321).

The spelling of 1112001121121 in words is "one trillion, one hundred twelve billion, one million, one hundred twenty-one thousand, one hundred twenty-one".