2301322021121 has 4 divisors (see below), whose sum is σ = 2301325084500. Its totient is φ = 2301318957744.

The previous prime is 2301322021007. The next prime is 2301322021147. The reversal of 2301322021121 is 1211202231032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1421553059521 + 879768961600 = 1192289^2 + 937960^2 .

It is a cyclic number.

It is not a de Polignac number, because 2301322021121 - 2¹⁰ = 2301322020097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2301322021093 and 2301322021102.

It is not an unprimeable number, because it can be changed into a prime (2301322071121) 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 3 ways as a sum of consecutive naturals, for example, 448535 + ... + 2191763.

It is an arithmetic number, because the mean of its divisors is an integer number (575331271125).

Almost surely, 2^{2301322021121} is an apocalyptic number.

It is an amenable number.

2301322021121 is a deficient number, since it is larger than the sum of its proper divisors (3063379).

2301322021121 is a wasteful number, since it uses less digits than its factorization.

2301322021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063378.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2301322021121 its reverse (1211202231032), we get a palindrome (3512524252153).

The spelling of 2301322021121 in words is "two trillion, three hundred one billion, three hundred twenty-two million, twenty-one thousand, one hundred twenty-one".