2011322132220 has 24 divisors (see below), whose sum is σ = 5631701970384. Its totient is φ = 536352568576.

The previous prime is 2011322132219. The next prime is 2011322132221. The reversal of 2011322132220 is 222312231102.

It is an interprime number because it is at equal distance from previous prime (2011322132219) and next prime (2011322132221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011322132221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16761017709 + ... + 16761017828.

It is an arithmetic number, because the mean of its divisors is an integer number (234654248766).

Almost surely, 2^{2011322132220} is an apocalyptic number.

2011322132220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011322132220 is an abundant number, since it is smaller than the sum of its proper divisors (3620379838164).

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

2011322132220 is a wasteful number, since it uses less digits than its factorization.

2011322132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33522035549 (or 33522035547 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2011322132220 its reverse (222312231102), we get a palindrome (2233634363322).

The spelling of 2011322132220 in words is "two trillion, eleven billion, three hundred twenty-two million, one hundred thirty-two thousand, two hundred twenty".