120120111001 has 8 divisors (see below), whose sum is σ = 131174257824. Its totient is φ = 109088320320.

The previous prime is 120120110941. The next prime is 120120111031. The reversal of 120120111001 is 100111021021.

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 120120111001 - 2¹⁵ = 120120078233 is a prime.

It is a super-2 number, since 2×120120111001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120120111031) 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, 5577795 + ... + 5599288.

It is an arithmetic number, because the mean of its divisors is an integer number (16396782228).

Almost surely, 2^120120111001 is an apocalyptic number.

120120111001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120120111001 is a deficient number, since it is larger than the sum of its proper divisors (11054146823).

120120111001 is a wasteful number, since it uses less digits than its factorization.

120120111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11178071.

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

Adding to 120120111001 its reverse (100111021021), we get a palindrome (220231132022).

The spelling of 120120111001 in words is "one hundred twenty billion, one hundred twenty million, one hundred eleven thousand, one".