2011120243420 has 12 divisors (see below), whose sum is σ = 4223352511224. Its totient is φ = 804448097360.

The previous prime is 2011120243399. The next prime is 2011120243469. The reversal of 2011120243420 is 243420211102.

It is a junction number, because it is equal to n+sod(n) for n = 2011120243391 and 2011120243400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50278006066 + ... + 50278006105.

It is an arithmetic number, because the mean of its divisors is an integer number (351946042602).

Almost surely, 2^{2011120243420} is an apocalyptic number.

2011120243420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011120243420 is an abundant number, since it is smaller than the sum of its proper divisors (2212232267804).

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

2011120243420 is a wasteful number, since it uses less digits than its factorization.

2011120243420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100556012180 (or 100556012178 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2011120243420 its reverse (243420211102), we get a palindrome (2254540454522).

The spelling of 2011120243420 in words is "two trillion, eleven billion, one hundred twenty million, two hundred forty-three thousand, four hundred twenty".