2220001111321 has 32 divisors (see below), whose sum is σ = 2602913600000. Its totient is φ = 1892582024256.

The previous prime is 2220001111309. The next prime is 2220001111333. The reversal of 2220001111321 is 1231111000222.

It is an interprime number because it is at equal distance from previous prime (2220001111309) and next prime (2220001111333).

It is not a de Polignac number, because 2220001111321 - 2¹¹ = 2220001109273 is a prime.

It is a super-3 number, since 3×2220001111321³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220001111295 and 2220001111304.

It is not an unprimeable number, because it can be changed into a prime (2220001111921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264628195 + ... + 264636583.

It is an arithmetic number, because the mean of its divisors is an integer number (81341050000).

Almost surely, 2^{2220001111321} is an apocalyptic number.

It is an amenable number.

2220001111321 is a deficient number, since it is larger than the sum of its proper divisors (382912488679).

2220001111321 is an equidigital number, since it uses as much as digits as its factorization.

2220001111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12486 (or 12472 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2220001111321 its reverse (1231111000222), we get a palindrome (3451112111543).

The spelling of 2220001111321 in words is "two trillion, two hundred twenty billion, one million, one hundred eleven thousand, three hundred twenty-one".