2111342002420 has 48 divisors (see below), whose sum is σ = 5067623973888. Its totient is φ = 723831091200.

The previous prime is 2111342002403. The next prime is 2111342002481. The reversal of 2111342002420 is 242002431112.

It is a junction number, because it is equal to n+sod(n) for n = 2111342002391 and 2111342002400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184820 + ... + 2372020.

It is an arithmetic number, because the mean of its divisors is an integer number (105575499456).

Almost surely, 2^{2111342002420} is an apocalyptic number.

2111342002420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111342002420 is an abundant number, since it is smaller than the sum of its proper divisors (2956281971468).

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

2111342002420 is a wasteful number, since it uses less digits than its factorization.

2111342002420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199920 (or 1199918 counting only the distinct ones).

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

Adding to 2111342002420 its reverse (242002431112), we get a palindrome (2353344433532).

The spelling of 2111342002420 in words is "two trillion, one hundred eleven billion, three hundred forty-two million, two thousand, four hundred twenty".