120012100111 has 8 divisors (see below), whose sum is σ = 121498513920. Its totient is φ = 118526650392.

The previous prime is 120012100093. The next prime is 120012100123. The reversal of 120012100111 is 111001210021.

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 120012100111 - 2⁷ = 120012099983 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 (120012100141) 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, 11106 + ... + 490048.

It is an arithmetic number, because the mean of its divisors is an integer number (15187314240).

Almost surely, 2^120012100111 is an apocalyptic number.

120012100111 is a deficient number, since it is larger than the sum of its proper divisors (1486413809).

120012100111 is an equidigital number, since it uses as much as digits as its factorization.

120012100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482045.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120012100111 its reverse (111001210021), we get a palindrome (231013310132).

It can be divided in two parts, 12001 and 2100111, that added together give a palindrome (2112112).

The spelling of 120012100111 in words is "one hundred twenty billion, twelve million, one hundred thousand, one hundred eleven".