120123101111 has 8 divisors (see below), whose sum is σ = 129366345024. Its totient is φ = 110880286560.

The previous prime is 120123101093. The next prime is 120123101123. The reversal of 120123101111 is 111101321021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120123101111 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 (120123101411) 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, 697010 + ... + 852096.

It is an arithmetic number, because the mean of its divisors is an integer number (16170793128).

Almost surely, 2^120123101111 is an apocalyptic number.

120123101111 is a deficient number, since it is larger than the sum of its proper divisors (9243243913).

120123101111 is a wasteful number, since it uses less digits than its factorization.

120123101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214681.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 120123101111 its reverse (111101321021), we get a palindrome (231224422132).

The spelling of 120123101111 in words is "one hundred twenty billion, one hundred twenty-three million, one hundred one thousand, one hundred eleven".