3311220001220 has 24 divisors (see below), whose sum is σ = 7004317935384. Its totient is φ = 1314820203776.

The previous prime is 3311220001183. The next prime is 3311220001223. The reversal of 3311220001220 is 221000221133.

It can be written as a sum of positive squares in 4 ways, for example, as 547386900736 + 2763833100484 = 739856^2 + 1662478^2 .

It is not an unprimeable number, because it can be changed into a prime (3311220001223) 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, 604234487 + ... + 604239966.

It is an arithmetic number, because the mean of its divisors is an integer number (291846580641).

Almost surely, 2^{3311220001220} is an apocalyptic number.

It is an amenable number.

3311220001220 is an abundant number, since it is smaller than the sum of its proper divisors (3693097934164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3311220001220 is a wasteful number, since it uses less digits than its factorization.

3311220001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208474599 (or 1208474597 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 3311220001220 its reverse (221000221133), we get a palindrome (3532220222353).

The spelling of 3311220001220 in words is "three trillion, three hundred eleven billion, two hundred twenty million, one thousand, two hundred twenty".