120100121111111 has 32 divisors (see below), whose sum is σ = 123695967283200. Its totient is φ = 116575640812800.

The previous prime is 120100121111083. The next prime is 120100121111123. The reversal of 120100121111111 is 111111121001021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120100121111111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100121111141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 667329440 + ... + 667509386.

It is an arithmetic number, because the mean of its divisors is an integer number (3865498977600).

Almost surely, 2^{120100121111111} is an apocalyptic number.

120100121111111 is a deficient number, since it is larger than the sum of its proper divisors (3595846172089).

120100121111111 is a wasteful number, since it uses less digits than its factorization.

120100121111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180719.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 120100121111111 its reverse (111111121001021), we get a palindrome (231211242112132).

The spelling of 120100121111111 in words is "one hundred twenty trillion, one hundred billion, one hundred twenty-one million, one hundred eleven thousand, one hundred eleven".