1220341003321 has 32 divisors (see below), whose sum is σ = 1426581849600. Its totient is φ = 1032123456000.

The previous prime is 1220341003313. The next prime is 1220341003391. The reversal of 1220341003321 is 1233001430221.

It is a cyclic number.

It is not a de Polignac number, because 1220341003321 - 2³ = 1220341003313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220341003292 and 1220341003301.

It is not an unprimeable number, because it can be changed into a prime (1220341003391) 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, 11922441 + ... + 12024361.

It is an arithmetic number, because the mean of its divisors is an integer number (44580682800).

Almost surely, 2^{1220341003321} is an apocalyptic number.

1220341003321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1220341003321 is a deficient number, since it is larger than the sum of its proper divisors (206240846279).

1220341003321 is a wasteful number, since it uses less digits than its factorization.

1220341003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102981.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1220341003321 its reverse (1233001430221), we get a palindrome (2453342433542).

The spelling of 1220341003321 in words is "one trillion, two hundred twenty billion, three hundred forty-one million, three thousand, three hundred twenty-one".