1220331330011 has 8 divisors (see below), whose sum is σ = 1292176315584. Its totient is φ = 1148493098880.

The previous prime is 1220331329941. The next prime is 1220331330019. The reversal of 1220331330011 is 1100331330221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220331330011 - 2²⁶ = 1220264221147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220331330019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314260 + ... + 2041553.

It is an arithmetic number, because the mean of its divisors is an integer number (161522039448).

Almost surely, 2^{1220331330011} is an apocalyptic number.

1220331330011 is a deficient number, since it is larger than the sum of its proper divisors (71844985573).

1220331330011 is a wasteful number, since it uses less digits than its factorization.

1220331330011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377221.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1220331330011 its reverse (1100331330221), we get a palindrome (2320662660232).

The spelling of 1220331330011 in words is "one trillion, two hundred twenty billion, three hundred thirty-one million, three hundred thirty thousand, eleven".