121000112010001 has 8 divisors (see below), whose sum is σ = 138286022068160. Its totient is φ = 103714246894608.

The previous prime is 121000112009981. The next prime is 121000112010247. The reversal of 121000112010001 is 100010211000121.

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

It is not a de Polignac number, because 121000112010001 - 2⁵ = 121000112009969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121000112010001.

It is not an unprimeable number, because it can be changed into a prime (121000112610001) 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, 5254146 + ... + 16419691.

It is an arithmetic number, because the mean of its divisors is an integer number (17285752758520).

Almost surely, 2^{121000112010001} is an apocalyptic number.

It is an amenable number.

121000112010001 is a deficient number, since it is larger than the sum of its proper divisors (17285910058159).

121000112010001 is an equidigital number, since it uses as much as digits as its factorization.

121000112010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22471383.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121000112010001 its reverse (100010211000121), we get a palindrome (221010323010122).

The spelling of 121000112010001 in words is "one hundred twenty-one trillion, one hundred twelve million, ten thousand, one".