2320220121 has 16 divisors (see below), whose sum is σ = 3146532480. Its totient is φ = 1520562560.

The previous prime is 2320220083. The next prime is 2320220159. The reversal of 2320220121 is 1210220232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2320220083) and next prime (2320220159).

It is a cyclic number.

It is not a de Polignac number, because 2320220121 - 2⁹ = 2320219609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2320220121.

It is not an unprimeable number, because it can be changed into a prime (2320220171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21076 + ... + 71306.

It is an arithmetic number, because the mean of its divisors is an integer number (196658280).

Almost surely, 2^2320220121 is an apocalyptic number.

It is an amenable number.

2320220121 is a deficient number, since it is larger than the sum of its proper divisors (826312359).

2320220121 is a wasteful number, since it uses less digits than its factorization.

2320220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50496.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2320220121 is about 48168.6632677304. The cubic root of 2320220121 is about 1323.8630562185.

Adding to 2320220121 its reverse (1210220232), we get a palindrome (3530440353).

The spelling of 2320220121 in words is "two billion, three hundred twenty million, two hundred twenty thousand, one hundred twenty-one".