3020121091 has 12 divisors (see below), whose sum is σ = 3375808320. Its totient is φ = 2697870240.

The previous prime is 3020121067. The next prime is 3020121109. The reversal of 3020121091 is 1901210203.

It is not a de Polignac number, because 3020121091 - 2¹⁷ = 3019990019 is a prime.

It is a super-2 number, since 2×3020121091² = 18242262808606060562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3020121001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282996 + ... + 293473.

It is an arithmetic number, because the mean of its divisors is an integer number (281317360).

Almost surely, 2^3020121091 is an apocalyptic number.

3020121091 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3020121091 is a deficient number, since it is larger than the sum of its proper divisors (355687229).

3020121091 is a wasteful number, since it uses less digits than its factorization.

3020121091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576526 (or 576513 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 3020121091 is about 54955.6283832694. The cubic root of 3020121091 is about 1445.4667921958.

Adding to 3020121091 its reverse (1901210203), we get a palindrome (4921331294).

The spelling of 3020121091 in words is "three billion, twenty million, one hundred twenty-one thousand, ninety-one".