2311020330121 has 8 divisors (see below), whose sum is σ = 2313475036488. Its totient is φ = 2308566000000.

The previous prime is 2311020330097. The next prime is 2311020330131. The reversal of 2311020330121 is 1210330201132.

It can be written as a sum of positive squares in 4 ways, for example, as 2140080121 + 2308880250000 = 46261^2 + 1519500^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2311020330121 - 2¹⁹ = 2311019805833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311020330131) 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 7 ways as a sum of consecutive naturals, for example, 13186971 + ... + 13361071.

It is an arithmetic number, because the mean of its divisors is an integer number (289184379561).

Almost surely, 2^{2311020330121} is an apocalyptic number.

It is an amenable number.

2311020330121 is a deficient number, since it is larger than the sum of its proper divisors (2454706367).

2311020330121 is a wasteful number, since it uses less digits than its factorization.

2311020330121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188123.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2311020330121 its reverse (1210330201132), we get a palindrome (3521350531253).

The spelling of 2311020330121 in words is "two trillion, three hundred eleven billion, twenty million, three hundred thirty thousand, one hundred twenty-one".