2011221210304 has 56 divisors (see below), whose sum is σ = 4182413844960. Its totient is φ = 957759965184.

The previous prime is 2011221210277. The next prime is 2011221210311. The reversal of 2011221210304 is 4030121221102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2589039 + ... + 3274990.

Almost surely, 2^{2011221210304} is an apocalyptic number.

It is an amenable number.

2011221210304 is an abundant number, since it is smaller than the sum of its proper divisors (2171192634656).

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

2011221210304 is a wasteful number, since it uses less digits than its factorization.

2011221210304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864297 (or 5864287 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2011221210304 its reverse (4030121221102), we get a palindrome (6041342431406).

The spelling of 2011221210304 in words is "two trillion, eleven billion, two hundred twenty-one million, two hundred ten thousand, three hundred four".