120111001000001 has 8 divisors (see below), whose sum is σ = 137926508325600. Its totient is φ = 103444881243840.

The previous prime is 120111000999961. The next prime is 120111001000031. The reversal of 120111001000001 is 100000100111021.

It is a happy number.

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 120111001000001 - 2¹⁰ = 120111000998977 is a prime.

It is a super-2 number, since 2×120111001000001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120111001000031) 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, 287346892136 + ... + 287346892553.

It is an arithmetic number, because the mean of its divisors is an integer number (17240813540700).

Almost surely, 2^{120111001000001} is an apocalyptic number.

120111001000001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120111001000001 is a deficient number, since it is larger than the sum of its proper divisors (17815507325599).

120111001000001 is a wasteful number, since it uses less digits than its factorization.

120111001000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574693784719.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 120111001000001 its reverse (100000100111021), we get a palindrome (220111101111022).

The spelling of 120111001000001 in words is "one hundred twenty trillion, one hundred eleven billion, one million, one", and thus it is an aban number.