3101120010221 has 16 divisors (see below), whose sum is σ = 3127913846640. Its totient is φ = 3074419445760.

The previous prime is 3101120010181. The next prime is 3101120010259. The reversal of 3101120010221 is 1220100211013.

It can be written as a sum of positive squares in 8 ways, for example, as 708341056900 + 2392778953321 = 841630^2 + 1546861^2 .

It is a cyclic number.

It is not a de Polignac number, because 3101120010221 - 2²⁶ = 3101052901357 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 = 3101120010196 and 3101120010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101120013221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386814005 + ... + 386822021.

It is an arithmetic number, because the mean of its divisors is an integer number (195494615415).

Almost surely, 2^{3101120010221} is an apocalyptic number.

It is an amenable number.

3101120010221 is a deficient number, since it is larger than the sum of its proper divisors (26793836419).

3101120010221 is a wasteful number, since it uses less digits than its factorization.

3101120010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13424.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 3101120010221 its reverse (1220100211013), we get a palindrome (4321220221234).

The spelling of 3101120010221 in words is "three trillion, one hundred one billion, one hundred twenty million, ten thousand, two hundred twenty-one".