2111420230020 has 72 divisors (see below), whose sum is σ = 6641850319104. Its totient is φ = 563045393376.

The previous prime is 2111420230009. The next prime is 2111420230037. The reversal of 2111420230020 is 200320241112.

It is a happy number.

2111420230020 is a `hidden beast` number, since 2 + 1 + 11 + 420 + 230 + 0 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2111420229975 and 2111420230002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217219444 + ... + 217229163.

Almost surely, 2^{2111420230020} is an apocalyptic number.

2111420230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111420230020 is an abundant number, since it is smaller than the sum of its proper divisors (4530430089084).

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

2111420230020 is a wasteful number, since it uses less digits than its factorization.

2111420230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434448631 (or 434448617 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2111420230020 its reverse (200320241112), we get a palindrome (2311740471132).

The spelling of 2111420230020 in words is "two trillion, one hundred eleven billion, four hundred twenty million, two hundred thirty thousand, twenty".