211411011424 has 48 divisors (see below), whose sum is σ = 424278660960. Its totient is φ = 103659678720.

The previous prime is 211411011359. The next prime is 211411011473. The reversal of 211411011424 is 424110114112.

It is a junction number, because it is equal to n+sod(n) for n = 211411011395 and 211411011404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3513109 + ... + 3572779.

It is an arithmetic number, because the mean of its divisors is an integer number (8839138770).

Almost surely, 2^211411011424 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 211411011424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212139330480).

211411011424 is an abundant number, since it is smaller than the sum of its proper divisors (212867649536).

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

211411011424 is a wasteful number, since it uses less digits than its factorization.

211411011424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61823 (or 61815 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 211411011424 its reverse (424110114112), we get a palindrome (635521125536).

The spelling of 211411011424 in words is "two hundred eleven billion, four hundred eleven million, eleven thousand, four hundred twenty-four".