120111100011001 has 8 divisors (see below), whose sum is σ = 133818169451904. Its totient is φ = 106868676991920.

The previous prime is 120111100010989. The next prime is 120111100011017. The reversal of 120111100011001 is 100110001111021.

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 120111100011001 - 2⁴¹ = 117912076755449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120111100011901) 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, 116161604910 + ... + 116161605943.

It is an arithmetic number, because the mean of its divisors is an integer number (16727271181488).

Almost surely, 2^{120111100011001} is an apocalyptic number.

120111100011001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120111100011001 is a deficient number, since it is larger than the sum of its proper divisors (13707069440903).

120111100011001 is a wasteful number, since it uses less digits than its factorization.

120111100011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232323210911.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 120111100011001 its reverse (100110001111021), we get a palindrome (220221101122022).

The spelling of 120111100011001 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred million, eleven thousand, one".