2111420320 has 24 divisors (see below), whose sum is σ = 4988230884. Its totient is φ = 844568064.

The previous prime is 2111420279. The next prime is 2111420321. The reversal of 2111420320 is 230241112.

It can be written as a sum of positive squares in 2 ways, for example, as 1979538064 + 131882256 = 44492^2 + 11484^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2111420294 and 2111420303.

It is not an unprimeable number, because it can be changed into a prime (2111420321) 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 3 ways as a sum of consecutive naturals, for example, 6598029 + ... + 6598348.

Almost surely, 2^2111420320 is an apocalyptic number.

2111420320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111420320 is an abundant number, since it is smaller than the sum of its proper divisors (2876810564).

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

2111420320 is a wasteful number, since it uses less digits than its factorization.

2111420320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13196392 (or 13196384 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2111420320 is about 45950.1939060109. The cubic root of 2111420320 is about 1282.8963384606.

Adding to 2111420320 its reverse (230241112), we get a palindrome (2341661432).

The spelling of 2111420320 in words is "two billion, one hundred eleven million, four hundred twenty thousand, three hundred twenty".