3031020021121 has 8 divisors (see below), whose sum is σ = 3130671815424. Its totient is φ = 2931485536560.

The previous prime is 3031020021079. The next prime is 3031020021193. The reversal of 3031020021121 is 1211200201303.

3031020021121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3031020021121 - 2¹⁷ = 3031019890049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3031020021095 and 3031020021104.

It is not an unprimeable number, because it can be changed into a prime (3031020021721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29274910 + ... + 29378263.

It is an arithmetic number, because the mean of its divisors is an integer number (391333976928).

Almost surely, 2^{3031020021121} is an apocalyptic number.

3031020021121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3031020021121 is a deficient number, since it is larger than the sum of its proper divisors (99651794303).

3031020021121 is a wasteful number, since it uses less digits than its factorization.

3031020021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58654871.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 3031020021121 its reverse (1211200201303), we get a palindrome (4242220222424).

The spelling of 3031020021121 in words is "three trillion, thirty-one billion, twenty million, twenty-one thousand, one hundred twenty-one".