211411011420 has 96 divisors (see below), whose sum is σ = 751683609600. Its totient is φ = 48322516032.

The previous prime is 211411011359. The next prime is 211411011473. The reversal of 211411011420 is 24110114112.

211411011420 is a `hidden beast` number, since 2 + 1 + 141 + 101 + 1 + 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 = 211411011393 and 211411011402.

It is a congruent number.

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, 27960640 + ... + 27968199.

It is an arithmetic number, because the mean of its divisors is an integer number (7830037600).

Almost surely, 2^211411011420 is an apocalyptic number.

211411011420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211411011420 is an abundant number, since it is smaller than the sum of its proper divisors (540272598180).

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

211411011420 is a wasteful number, since it uses less digits than its factorization.

211411011420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55928864 (or 55928856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211411011420 its reverse (24110114112), we get a palindrome (235521125532).

The spelling of 211411011420 in words is "two hundred eleven billion, four hundred eleven million, eleven thousand, four hundred twenty".