2120201331 has 4 divisors (see below), whose sum is σ = 2826935112. Its totient is φ = 1413467552.

The previous prime is 2120201329. The next prime is 2120201357. The reversal of 2120201331 is 1331020212.

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 2120201331 - 2¹ = 2120201329 is a prime.

It is a super-2 number, since 2×2120201331² = 8990507367948343122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120201331.

It is not an unprimeable number, because it can be changed into a prime (2120201371) 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, 353366886 + ... + 353366891.

It is an arithmetic number, because the mean of its divisors is an integer number (706733778).

Almost surely, 2^2120201331 is an apocalyptic number.

2120201331 is a deficient number, since it is larger than the sum of its proper divisors (706733781).

2120201331 is an equidigital number, since it uses as much as digits as its factorization.

2120201331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706733780.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2120201331 is about 46045.6439959308. The cubic root of 2120201331 is about 1284.6723224907.

Adding to 2120201331 its reverse (1331020212), we get a palindrome (3451221543).

The spelling of 2120201331 in words is "two billion, one hundred twenty million, two hundred one thousand, three hundred thirty-one".