2011302112220 has 12 divisors (see below), whose sum is σ = 4223734435704. Its totient is φ = 804520844880.

The previous prime is 2011302112187. The next prime is 2011302112243. The reversal of 2011302112220 is 222112031102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50282552786 + ... + 50282552825.

It is an arithmetic number, because the mean of its divisors is an integer number (351977869642).

Almost surely, 2^{2011302112220} is an apocalyptic number.

2011302112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011302112220 is an abundant number, since it is smaller than the sum of its proper divisors (2212432323484).

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

2011302112220 is a wasteful number, since it uses less digits than its factorization.

2011302112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100565105620 (or 100565105618 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2011302112220 its reverse (222112031102), we get a palindrome (2233414143322).

The spelling of 2011302112220 in words is "two trillion, eleven billion, three hundred two million, one hundred twelve thousand, two hundred twenty".