211112132120320 has 72 divisors (see below), whose sum is σ = 535425383669904. Its totient is φ = 79477508554752.

The previous prime is 211112132120291. The next prime is 211112132120363. The reversal of 211112132120320 is 23021231211112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211112132120291 and 211112132120300.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4850900394 + ... + 4850943913.

It is an arithmetic number, because the mean of its divisors is an integer number (7436463662082).

Almost surely, 2^{211112132120320} is an apocalyptic number.

211112132120320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211112132120320 is an abundant number, since it is smaller than the sum of its proper divisors (324313251549584).

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

211112132120320 is an equidigital number, since it uses as much as digits as its factorization.

211112132120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9701844345 (or 9701844331 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 211112132120320 its reverse (23021231211112), we get a palindrome (234133363331432).

The spelling of 211112132120320 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred thirty-two million, one hundred twenty thousand, three hundred twenty".