3101032222021 has 4 divisors (see below), whose sum is σ = 3101035760172. Its totient is φ = 3101028683872.

The previous prime is 3101032222019. The next prime is 3101032222033. The reversal of 3101032222021 is 1202222301013.

3101032222021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1869851130625 + 1231181091396 = 1367425^2 + 1109586^2 .

It is a cyclic number.

It is not a de Polignac number, because 3101032222021 - 2¹ = 3101032222019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3101032222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101032232021) 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 3 ways as a sum of consecutive naturals, for example, 630891 + ... + 2569063.

It is an arithmetic number, because the mean of its divisors is an integer number (775258940043).

Almost surely, 2^{3101032222021} is an apocalyptic number.

It is an amenable number.

3101032222021 is a deficient number, since it is larger than the sum of its proper divisors (3538151).

3101032222021 is a wasteful number, since it uses less digits than its factorization.

3101032222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538150.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 3101032222021 its reverse (1202222301013), we get a palindrome (4303254523034).

The spelling of 3101032222021 in words is "three trillion, one hundred one billion, thirty-two million, two hundred twenty-two thousand, twenty-one".