211134411322340 has 96 divisors (see below), whose sum is σ = 484215977669760. Its totient is φ = 76692647808000.

The previous prime is 211134411322339. The next prime is 211134411322381. The reversal of 211134411322340 is 43223114431112.

It is a junction number, because it is equal to n+sod(n) for n = 211134411322297 and 211134411322306.

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, 1266903059 + ... + 1267069701.

It is an arithmetic number, because the mean of its divisors is an integer number (5043916434060).

Almost surely, 2^{211134411322340} is an apocalyptic number.

211134411322340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211134411322340 is an abundant number, since it is smaller than the sum of its proper divisors (273081566347420).

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

211134411322340 is a wasteful number, since it uses less digits than its factorization.

211134411322340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172893 (or 172891 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 211134411322340 its reverse (43223114431112), we get a palindrome (254357525753452).

The spelling of 211134411322340 in words is "two hundred eleven trillion, one hundred thirty-four billion, four hundred eleven million, three hundred twenty-two thousand, three hundred forty".