211423414220 has 24 divisors (see below), whose sum is σ = 448977816000. Its totient is φ = 83619147392.

The previous prime is 211423414217. The next prime is 211423414253. The reversal of 211423414220 is 22414324112.

211423414220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 211423414220.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 59386820 + ... + 59390379.

It is an arithmetic number, because the mean of its divisors is an integer number (18707409000).

Almost surely, 2^211423414220 is an apocalyptic number.

211423414220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211423414220 is an abundant number, since it is smaller than the sum of its proper divisors (237554401780).

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

211423414220 is a wasteful number, since it uses less digits than its factorization.

211423414220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118777297 (or 118777295 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211423414220 its reverse (22414324112), we get a palindrome (233837738332).

The spelling of 211423414220 in words is "two hundred eleven billion, four hundred twenty-three million, four hundred fourteen thousand, two hundred twenty".