2220322032121 has 16 divisors (see below), whose sum is σ = 2333090217600. Its totient is φ = 2108940058368.

The previous prime is 2220322032091. The next prime is 2220322032139. The reversal of 2220322032121 is 1212302230222.

It is not a de Polignac number, because 2220322032121 - 2¹⁵ = 2220321999353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220322032092 and 2220322032101.

It is not an unprimeable number, because it can be changed into a prime (2220322035121) 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, 2538625 + ... + 3299281.

It is an arithmetic number, because the mean of its divisors is an integer number (145818138600).

Almost surely, 2^{2220322032121} is an apocalyptic number.

It is an amenable number.

2220322032121 is a deficient number, since it is larger than the sum of its proper divisors (112768185479).

2220322032121 is a wasteful number, since it uses less digits than its factorization.

2220322032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761568.

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

Adding to 2220322032121 its reverse (1212302230222), we get a palindrome (3432624262343).

The spelling of 2220322032121 in words is "two trillion, two hundred twenty billion, three hundred twenty-two million, thirty-two thousand, one hundred twenty-one".