3020121111 has 16 divisors (see below), whose sum is σ = 4872801024. Its totient is φ = 1624266624.

The previous prime is 3020121109. The next prime is 3020121113. The reversal of 3020121111 is 1111210203.

It is an interprime number because it is at equal distance from previous prime (3020121109) and next prime (3020121113).

It is not a de Polignac number, because 3020121111 - 2¹ = 3020121109 is a prime.

It is a super-2 number, since 2×3020121111² = 18242263050215748642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020121113) 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, 4229505 + ... + 4230218.

It is an arithmetic number, because the mean of its divisors is an integer number (304550064).

Almost surely, 2^3020121111 is an apocalyptic number.

3020121111 is a deficient number, since it is larger than the sum of its proper divisors (1852679913).

3020121111 is a wasteful number, since it uses less digits than its factorization.

3020121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8459750.

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

The square root of 3020121111 is about 54955.6285652343. The cubic root of 3020121111 is about 1445.4667953865.

Adding to 3020121111 its reverse (1111210203), we get a palindrome (4131331314).

The spelling of 3020121111 in words is "three billion, twenty million, one hundred twenty-one thousand, one hundred eleven".