3020232121 has 4 divisors (see below), whose sum is σ = 3197892852. Its totient is φ = 2842571392.

The previous prime is 3020232113. The next prime is 3020232157. The reversal of 3020232121 is 1212320203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1311236521 + 1708995600 = 36211^2 + 41340^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020232121 - 2³ = 3020232113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3020232095 and 3020232104.

It is not an unprimeable number, because it can be changed into a prime (3020232161) 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, 88830340 + ... + 88830373.

It is an arithmetic number, because the mean of its divisors is an integer number (799473213).

Almost surely, 2^3020232121 is an apocalyptic number.

It is an amenable number.

3020232121 is a deficient number, since it is larger than the sum of its proper divisors (177660731).

3020232121 is a wasteful number, since it uses less digits than its factorization.

3020232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177660730.

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

The square root of 3020232121 is about 54956.6385525898. The cubic root of 3020232121 is about 1445.4845054161.

Adding to 3020232121 its reverse (1212320203), we get a palindrome (4232552324).

The spelling of 3020232121 in words is "three billion, twenty million, two hundred thirty-two thousand, one hundred twenty-one".