120213203111 has 4 divisors (see below), whose sum is σ = 121859959392. Its totient is φ = 118566446832.

The previous prime is 120213203057. The next prime is 120213203183. The reversal of 120213203111 is 111302312021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111302312021 = 120937 ⋅920333.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120213203111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120213203111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213205111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823378031 + ... + 823378176.

It is an arithmetic number, because the mean of its divisors is an integer number (30464989848).

Almost surely, 2^120213203111 is an apocalyptic number.

120213203111 is a deficient number, since it is larger than the sum of its proper divisors (1646756281).

120213203111 is an equidigital number, since it uses as much as digits as its factorization.

120213203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646756280.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 120213203111 its reverse (111302312021), we get a palindrome (231515515132).

The spelling of 120213203111 in words is "one hundred twenty billion, two hundred thirteen million, two hundred three thousand, one hundred eleven".