211420200042 has 24 divisors (see below), whose sum is σ = 458890758144. Its totient is φ = 70348221864.

The previous prime is 211420200037. The next prime is 211420200091. The reversal of 211420200042 is 240002024112.

211420200042 is a `hidden beast` number, since 2 + 1 + 1 + 420 + 200 + 0 + 42 = 666.

211420200042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 211420199988 and 211420200024.

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 11 ways as a sum of consecutive naturals, for example, 10421098 + ... + 10441365.

It is an arithmetic number, because the mean of its divisors is an integer number (19120448256).

Almost surely, 2^211420200042 is an apocalyptic number.

211420200042 is an abundant number, since it is smaller than the sum of its proper divisors (247470558102).

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

211420200042 is a wasteful number, since it uses less digits than its factorization.

211420200042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20863034 (or 20863031 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 211420200042 its reverse (240002024112), we get a palindrome (451422224154).

The spelling of 211420200042 in words is "two hundred eleven billion, four hundred twenty million, two hundred thousand, forty-two".