121112120110001 has 8 divisors (see below), whose sum is σ = 122647625623680. Its totient is φ = 119576675614032.

The previous prime is 121112120109889. The next prime is 121112120110049. The reversal of 121112120110001 is 100011021211121.

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 121112120110001 - 2¹⁰ = 121112120108977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112120110901) 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, 11252915 + ... + 19205528.

It is an arithmetic number, because the mean of its divisors is an integer number (15330953202960).

Almost surely, 2^{121112120110001} is an apocalyptic number.

It is an amenable number.

121112120110001 is a deficient number, since it is larger than the sum of its proper divisors (1535505513679).

121112120110001 is an equidigital number, since it uses as much as digits as its factorization.

121112120110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30508855.

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

Adding to 121112120110001 its reverse (100011021211121), we get a palindrome (221123141321122).

It can be divided in two parts, 121112120 and 110001, that added together give a palindrome (121222121).

The spelling of 121112120110001 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred twenty million, one hundred ten thousand, one".