3020021121 has 16 divisors (see below), whose sum is σ = 4339295744. Its totient is φ = 1857250944.

The previous prime is 3020021113. The next prime is 3020021159. The reversal of 3020021121 is 1211200203.

It is not a de Polignac number, because 3020021121 - 2³ = 3020021113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3020021097 and 3020021106.

It is not an unprimeable number, because it can be changed into a prime (3020021621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36405 + ... + 85821.

It is an arithmetic number, because the mean of its divisors is an integer number (271205984).

Almost surely, 2^3020021121 is an apocalyptic number.

It is an amenable number.

3020021121 is a deficient number, since it is larger than the sum of its proper divisors (1319274623).

3020021121 is a wasteful number, since it uses less digits than its factorization.

3020021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51000.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3020021121 is about 54954.7188237735. The cubic root of 3020021121 is about 1445.4508430660.

Adding to 3020021121 its reverse (1211200203), we get a palindrome (4231221324).

The spelling of 3020021121 in words is "three billion, twenty million, twenty-one thousand, one hundred twenty-one".