2122220033221 has 16 divisors (see below), whose sum is σ = 2218165181568. Its totient is φ = 2026583204800.

The previous prime is 2122220033209. The next prime is 2122220033251. The reversal of 2122220033221 is 1223300222212.

It is a cyclic number.

It is not a de Polignac number, because 2122220033221 - 2¹⁷ = 2122219902149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122220033192 and 2122220033201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122220033201) 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 15 ways as a sum of consecutive naturals, for example, 48023466 + ... + 48067636.

It is an arithmetic number, because the mean of its divisors is an integer number (138635323848).

Almost surely, 2^{2122220033221} is an apocalyptic number.

It is an amenable number.

2122220033221 is a deficient number, since it is larger than the sum of its proper divisors (95945148347).

2122220033221 is a wasteful number, since it uses less digits than its factorization.

2122220033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47612.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2122220033221 its reverse (1223300222212), we get a palindrome (3345520255433).

The spelling of 2122220033221 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, thirty-three thousand, two hundred twenty-one".