211141200420 has 96 divisors (see below), whose sum is σ = 656995315200. Its totient is φ = 56294756352.

The previous prime is 211141200407. The next prime is 211141200461. The reversal of 211141200420 is 24002141112.

211141200420 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 41 + 200 + 420 = 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 = 211141200393 and 211141200402.

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 31 ways as a sum of consecutive naturals, for example, 3495717 + ... + 3555603.

It is an arithmetic number, because the mean of its divisors is an integer number (6843701200).

Almost surely, 2^211141200420 is an apocalyptic number.

211141200420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211141200420 is an abundant number, since it is smaller than the sum of its proper divisors (445854114780).

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

211141200420 is a wasteful number, since it uses less digits than its factorization.

211141200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66434 (or 66426 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211141200420 its reverse (24002141112), we get a palindrome (235143341532).

The spelling of 211141200420 in words is "two hundred eleven billion, one hundred forty-one million, two hundred thousand, four hundred twenty".