1121112111001 has 8 divisors (see below), whose sum is σ = 1181598727680. Its totient is φ = 1060773565968.

The previous prime is 1121112110983. The next prime is 1121112111083. The reversal of 1121112111001 is 1001112111211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121112111001 - 2⁷ = 1121112110873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121112111701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37002361 + ... + 37032646.

It is an arithmetic number, because the mean of its divisors is an integer number (147699840960).

Almost surely, 2^{1121112111001} is an apocalyptic number.

It is an amenable number.

1121112111001 is a deficient number, since it is larger than the sum of its proper divisors (60486616679).

1121112111001 is an equidigital number, since it uses as much as digits as its factorization.

1121112111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74035823.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1121112111001 its reverse (1001112111211), we get a palindrome (2122224222212).

It can be divided in two parts, 112111211 and 1001, that multiplied together give a palindrome (112223322211).

The spelling of 1121112111001 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, one hundred eleven thousand, one".