3112022512221 has 32 divisors (see below), whose sum is σ = 4774429440000. Its totient is φ = 1766188488000.

The previous prime is 3112022512171. The next prime is 3112022512273. The reversal of 3112022512221 is 1222152202113.

It is not a de Polignac number, because 3112022512221 - 2¹³ = 3112022504029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3112022512191 and 3112022512200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112022512121) 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 31 ways as a sum of consecutive naturals, for example, 35623846 + ... + 35711096.

It is an arithmetic number, because the mean of its divisors is an integer number (149200920000).

Almost surely, 2^{3112022512221} is an apocalyptic number.

It is an amenable number.

3112022512221 is a deficient number, since it is larger than the sum of its proper divisors (1662406927779).

3112022512221 is a wasteful number, since it uses less digits than its factorization.

3112022512221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98809.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 3112022512221 its reverse (1222152202113), we get a palindrome (4334174714334).

The spelling of 3112022512221 in words is "three trillion, one hundred twelve billion, twenty-two million, five hundred twelve thousand, two hundred twenty-one".