2011232104220 has 24 divisors (see below), whose sum is σ = 4369228365600. Its totient is φ = 776751708992.

The previous prime is 2011232104181. The next prime is 2011232104223. The reversal of 2011232104220 is 224012321102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2011232104192 and 2011232104201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011232104223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1733820200 + ... + 1733821359.

It is an arithmetic number, because the mean of its divisors is an integer number (182051181900).

Almost surely, 2^{2011232104220} is an apocalyptic number.

2011232104220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011232104220 is an abundant number, since it is smaller than the sum of its proper divisors (2357996261380).

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

2011232104220 is a wasteful number, since it uses less digits than its factorization.

2011232104220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467641597 (or 3467641595 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2011232104220 its reverse (224012321102), we get a palindrome (2235244425322).

The spelling of 2011232104220 in words is "two trillion, eleven billion, two hundred thirty-two million, one hundred four thousand, two hundred twenty".