1220341003311 has 16 divisors (see below), whose sum is σ = 1630797214464. Its totient is φ = 811722984384.

The previous prime is 1220341003309. The next prime is 1220341003313. The reversal of 1220341003311 is 1133001430221.

It is an interprime number because it is at equal distance from previous prime (1220341003309) and next prime (1220341003313).

It is not a de Polignac number, because 1220341003311 - 2¹ = 1220341003309 is a prime.

It is a super-2 number, since 2×1220341003311² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220341003313) 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, 29295280 + ... + 29336906.

It is an arithmetic number, because the mean of its divisors is an integer number (101924825904).

Almost surely, 2^{1220341003311} is an apocalyptic number.

1220341003311 is a deficient number, since it is larger than the sum of its proper divisors (410456211153).

1220341003311 is a wasteful number, since it uses less digits than its factorization.

1220341003311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63470.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1220341003311 its reverse (1133001430221), we get a palindrome (2353342433532).

The spelling of 1220341003311 in words is "one trillion, two hundred twenty billion, three hundred forty-one million, three thousand, three hundred eleven".