2111003021320 has 32 divisors (see below), whose sum is σ = 4816654787520. Its totient is φ = 832508232640.

The previous prime is 2111003021279. The next prime is 2111003021341. The reversal of 2111003021320 is 231203001112.

It is a junction number, because it is equal to n+sod(n) for n = 2111003021294 and 2111003021303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371652622 + ... + 371658301.

It is an arithmetic number, because the mean of its divisors is an integer number (150520462110).

Almost surely, 2^{2111003021320} is an apocalyptic number.

2111003021320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111003021320 is an abundant number, since it is smaller than the sum of its proper divisors (2705651766200).

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

2111003021320 is a wasteful number, since it uses less digits than its factorization.

2111003021320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743311005 (or 743311001 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2111003021320 its reverse (231203001112), we get a palindrome (2342206022432).

The spelling of 2111003021320 in words is "two trillion, one hundred eleven billion, three million, twenty-one thousand, three hundred twenty".