120201311 has 4 divisors (see below), whose sum is σ = 120322872. Its totient is φ = 120079752.

The previous prime is 120201281. The next prime is 120201329. The reversal of 120201311 is 113102021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113102021 = 2851 ⋅39671.

It is a cyclic number.

It is not a de Polignac number, because 120201311 - 2¹⁴ = 120184927 is a prime.

It is a super-2 number, since 2×120201311² = 28896710332237442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120201292 and 120201301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59285 + ... + 61278.

It is an arithmetic number, because the mean of its divisors is an integer number (30080718).

Almost surely, 2^120201311 is an apocalyptic number.

120201311 is a deficient number, since it is larger than the sum of its proper divisors (121561).

120201311 is an equidigital number, since it uses as much as digits as its factorization.

120201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121560.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 120201311 is about 10963.6358476556. The cubic root of 120201311 is about 493.5180805603.

Adding to 120201311 its reverse (113102021), we get a palindrome (233303332).

It can be divided in two parts, 12020 and 1311, that added together give a palindrome (13331).

The spelling of 120201311 in words is "one hundred twenty million, two hundred one thousand, three hundred eleven".