120203313111 has 24 divisors (see below), whose sum is σ = 202480480800. Its totient is φ = 68687605728.

The previous prime is 120203313107. The next prime is 120203313151. The reversal of 120203313111 is 111313302021.

120203313111 is a `hidden beast` number, since 1 + 2 + 0 + 20 + 331 + 311 + 1 = 666.

It is not a de Polignac number, because 120203313111 - 2² = 120203313107 is a prime.

It is a super-2 number, since 2×120203313111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120203313151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19466190 + ... + 19472363.

It is an arithmetic number, because the mean of its divisors is an integer number (8436686700).

Almost surely, 2^120203313111 is an apocalyptic number.

120203313111 is a deficient number, since it is larger than the sum of its proper divisors (82277167689).

120203313111 is an equidigital number, since it uses as much as digits as its factorization.

120203313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38938580 (or 38938563 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 120203313111 its reverse (111313302021), we get a palindrome (231516615132).

The spelling of 120203313111 in words is "one hundred twenty billion, two hundred three million, three hundred thirteen thousand, one hundred eleven".