3311101220 has 96 divisors (see below), whose sum is σ = 8450749440. Its totient is φ = 1063802880.

The previous prime is 3311101163. The next prime is 3311101279. The reversal of 3311101220 is 221011133.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 3311101195 and 3311101204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565910 + ... + 571730.

It is an arithmetic number, because the mean of its divisors is an integer number (88028640).

Almost surely, 2^3311101220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3311101220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4225374720).

3311101220 is an abundant number, since it is smaller than the sum of its proper divisors (5139648220).

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

3311101220 is a wasteful number, since it uses less digits than its factorization.

3311101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093 (or 6091 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3311101220 is about 57542.1690588737. The cubic root of 3311101220 is about 1490.4731347320.

Adding to 3311101220 its reverse (221011133), we get a palindrome (3532112353).

The spelling of 3311101220 in words is "three billion, three hundred eleven million, one hundred one thousand, two hundred twenty".