120200111122111 has 4 divisors (see below), whose sum is σ = 120202202816712. Its totient is φ = 120198019427512.

The previous prime is 120200111122103. The next prime is 120200111122127. The reversal of 120200111122111 is 111221111002021.

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 120200111122111 - 2³ = 120200111122103 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 (120200111122141) 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, 1045761100 + ... + 1045876033.

It is an arithmetic number, because the mean of its divisors is an integer number (30050550704178).

Almost surely, 2^{120200111122111} is an apocalyptic number.

120200111122111 is a deficient number, since it is larger than the sum of its proper divisors (2091694601).

120200111122111 is an equidigital number, since it uses as much as digits as its factorization.

120200111122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091694600.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 120200111122111 its reverse (111221111002021), we get a palindrome (231421222124132).

The spelling of 120200111122111 in words is "one hundred twenty trillion, two hundred billion, one hundred eleven million, one hundred twenty-two thousand, one hundred eleven".