120111301111 has 4 divisors (see below), whose sum is σ = 121277430352. Its totient is φ = 118945171872.

The previous prime is 120111301031. The next prime is 120111301147. The reversal of 120111301111 is 111103111021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120111301111 - 2⁷ = 120111300983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120111301091 and 120111301100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111331111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583064466 + ... + 583064671.

It is an arithmetic number, because the mean of its divisors is an integer number (30319357588).

Almost surely, 2^120111301111 is an apocalyptic number.

120111301111 is a deficient number, since it is larger than the sum of its proper divisors (1166129241).

120111301111 is a wasteful number, since it uses less digits than its factorization.

120111301111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166129240.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 120111301111 its reverse (111103111021), we get a palindrome (231214412132).

The spelling of 120111301111 in words is "one hundred twenty billion, one hundred eleven million, three hundred one thousand, one hundred eleven".