2120223331 has 4 divisors (see below), whose sum is σ = 2188617664. Its totient is φ = 2051829000.

The previous prime is 2120223311. The next prime is 2120223353. The reversal of 2120223331 is 1333220212.

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 2120223331 - 2¹⁷ = 2120092259 is a prime.

It is a super-2 number, since 2×2120223331² = 8990693946633471122, 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 = 2120223299 and 2120223308.

It is not an unprimeable number, because it can be changed into a prime (2120223311) 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, 34197120 + ... + 34197181.

It is an arithmetic number, because the mean of its divisors is an integer number (547154416).

Almost surely, 2^2120223331 is an apocalyptic number.

2120223331 is a deficient number, since it is larger than the sum of its proper divisors (68394333).

2120223331 is an equidigital number, since it uses as much as digits as its factorization.

2120223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68394332.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2120223331 is about 46045.8828887014. The cubic root of 2120223331 is about 1284.6767658884.

Adding to 2120223331 its reverse (1333220212), we get a palindrome (3453443543).

The spelling of 2120223331 in words is "two billion, one hundred twenty million, two hundred twenty-three thousand, three hundred thirty-one".