3102012022221 has 24 divisors (see below), whose sum is σ = 5120972442560. Its totient is φ = 1772512289856.

The previous prime is 3102012022211. The next prime is 3102012022237. The reversal of 3102012022221 is 1222202102013.

It is not a de Polignac number, because 3102012022221 - 2¹³ = 3102012014029 is a prime.

It is a super-3 number, since 3×3102012022221³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3102012022194 and 3102012022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102012022211) 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 23 ways as a sum of consecutive naturals, for example, 814161 + ... + 2620473.

Almost surely, 2^{3102012022221} is an apocalyptic number.

It is an amenable number.

3102012022221 is a deficient number, since it is larger than the sum of its proper divisors (2018960420339).

3102012022221 is a wasteful number, since it uses less digits than its factorization.

3102012022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833585 (or 1833582 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 3102012022221 its reverse (1222202102013), we get a palindrome (4324214124234).

The spelling of 3102012022221 in words is "three trillion, one hundred two billion, twelve million, twenty-two thousand, two hundred twenty-one".