120120200111 has 4 divisors (see below), whose sum is σ = 120124691952. Its totient is φ = 120115708272.

The previous prime is 120120200087. The next prime is 120120200119. The reversal of 120120200111 is 111002021021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111002021021 = 23 ⋅4826174827.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120120200111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120120200092 and 120120200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120200119) 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, 2205566 + ... + 2259371.

It is an arithmetic number, because the mean of its divisors is an integer number (30031172988).

Almost surely, 2^120120200111 is an apocalyptic number.

120120200111 is a deficient number, since it is larger than the sum of its proper divisors (4491841).

120120200111 is an equidigital number, since it uses as much as digits as its factorization.

120120200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491840.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120120200111 its reverse (111002021021), we get a palindrome (231122221132).

The spelling of 120120200111 in words is "one hundred twenty billion, one hundred twenty million, two hundred thousand, one hundred eleven".