3020311012221 has 64 divisors (see below), whose sum is σ = 4675387392000. Its totient is φ = 1924789806720.

The previous prime is 3020311012211. The next prime is 3020311012259. The reversal of 3020311012221 is 1222101130203.

It is not a de Polignac number, because 3020311012221 - 2⁶ = 3020311012157 is a prime.

It is a super-2 number, since 2×3020311012221² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3020311012194 and 3020311012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020311012211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77378716 + ... + 77417738.

It is an arithmetic number, because the mean of its divisors is an integer number (73052928000).

Almost surely, 2^{3020311012221} is an apocalyptic number.

3020311012221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3020311012221 is a deficient number, since it is larger than the sum of its proper divisors (1655076379779).

3020311012221 is a wasteful number, since it uses less digits than its factorization.

3020311012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40191 (or 40185 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3020311012221 its reverse (1222101130203), we get a palindrome (4242412142424).

The spelling of 3020311012221 in words is "three trillion, twenty billion, three hundred eleven million, twelve thousand, two hundred twenty-one".