120120202111 has 16 divisors (see below), whose sum is σ = 150346022400. Its totient is φ = 93429305568.

The previous prime is 120120202093. The next prime is 120120202121. The reversal of 120120202111 is 111202021021.

It is not a de Polignac number, because 120120202111 - 2⁷ = 120120201983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 120120202091 and 120120202100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120202121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11181091 + ... + 11191828.

It is an arithmetic number, because the mean of its divisors is an integer number (9396626400).

Almost surely, 2^120120202111 is an apocalyptic number.

120120202111 is a deficient number, since it is larger than the sum of its proper divisors (30225820289).

120120202111 is a wasteful number, since it uses less digits than its factorization.

120120202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22372998.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120120202111 its reverse (111202021021), we get a palindrome (231322223132).

The spelling of 120120202111 in words is "one hundred twenty billion, one hundred twenty million, two hundred two thousand, one hundred eleven".