100120111110111 has 16 divisors (see below), whose sum is σ = 136811986536960. Its totient is φ = 65107847138880.

The previous prime is 100120111110053. The next prime is 100120111110133. The reversal of 100120111110111 is 111011111021001.

It is not a de Polignac number, because 100120111110111 - 2¹⁷ = 100120110979039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120111110191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2544846150 + ... + 2544885491.

It is an arithmetic number, because the mean of its divisors is an integer number (8550749158560).

Almost surely, 2^{100120111110111} is an apocalyptic number.

100120111110111 is a deficient number, since it is larger than the sum of its proper divisors (36691875426849).

100120111110111 is an equidigital number, since it uses as much as digits as its factorization.

100120111110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089731806.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 100120111110111 its reverse (111011111021001), we get a palindrome (211131222131112).

The spelling of 100120111110111 in words is "one hundred trillion, one hundred twenty billion, one hundred eleven million, one hundred ten thousand, one hundred eleven".