3311221011 has 24 divisors (see below), whose sum is σ = 5301448704. Its totient is φ = 1831087440.

The previous prime is 3311220989. The next prime is 3311221027. The reversal of 3311221011 is 1101221133.

It is a happy number.

3311221011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3311221011 - 2⁶ = 3311220947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3311221051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358755 + ... + 367868.

It is an arithmetic number, because the mean of its divisors is an integer number (220893696).

Almost surely, 2^3311221011 is an apocalyptic number.

3311221011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3311221011 is a deficient number, since it is larger than the sum of its proper divisors (1990227693).

3311221011 is a wasteful number, since it uses less digits than its factorization.

3311221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726671 (or 726664 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3311221011 is about 57543.2099469607. The cubic root of 3311221011 is about 1490.4911089247.

Adding to 3311221011 its reverse (1101221133), we get a palindrome (4412442144).

The spelling of 3311221011 in words is "three billion, three hundred eleven million, two hundred twenty-one thousand, eleven".