2302030020121 has 24 divisors (see below), whose sum is σ = 2533964641560. Its totient is φ = 2090085244416.

The previous prime is 2302030020107. The next prime is 2302030020161. The reversal of 2302030020121 is 1210200302032.

It can be written as a sum of positive squares in 12 ways, for example, as 1156616362521 + 1145413657600 = 1075461^2 + 1070240^2 .

It is not a de Polignac number, because 2302030020121 - 2¹¹ = 2302030018073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2302030020095 and 2302030020104.

It is not an unprimeable number, because it can be changed into a prime (2302030020161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2067591 + ... + 2979763.

It is an arithmetic number, because the mean of its divisors is an integer number (105581860065).

Almost surely, 2^{2302030020121} is an apocalyptic number.

It is an amenable number.

2302030020121 is a deficient number, since it is larger than the sum of its proper divisors (231934621439).

2302030020121 is a wasteful number, since it uses less digits than its factorization.

2302030020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912445 (or 912432 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2302030020121 its reverse (1210200302032), we get a palindrome (3512230322153).

The spelling of 2302030020121 in words is "two trillion, three hundred two billion, thirty million, twenty thousand, one hundred twenty-one".