211411020044 has 96 divisors (see below), whose sum is σ = 441519697920. Its totient is φ = 86668185600.

The previous prime is 211411019903. The next prime is 211411020059. The reversal of 211411020044 is 440020114112.

It is a junction number, because it is equal to n+sod(n) for n = 211411019998 and 211411020025.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122841104 + ... + 122842824.

It is an arithmetic number, because the mean of its divisors is an integer number (4599163520).

Almost surely, 2^211411020044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211411020044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220759848960).

211411020044 is an abundant number, since it is smaller than the sum of its proper divisors (230108677876).

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

211411020044 is a wasteful number, since it uses less digits than its factorization.

211411020044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319 (or 3317 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211411020044 its reverse (440020114112), we get a palindrome (651431134156).

The spelling of 211411020044 in words is "two hundred eleven billion, four hundred eleven million, twenty thousand, forty-four".