211303334144 has 72 divisors (see below), whose sum is σ = 483557648448. Its totient is φ = 90272655360.

The previous prime is 211303334101. The next prime is 211303334167. The reversal of 211303334144 is 441433303112.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382079 + ... + 754049.

Almost surely, 2^211303334144 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 211303334144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241778824224).

211303334144 is an abundant number, since it is smaller than the sum of its proper divisors (272254314304).

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

211303334144 is an equidigital number, since it uses as much as digits as its factorization.

211303334144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372311 (or 372297 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 211303334144 its reverse (441433303112), we get a palindrome (652736637256).

The spelling of 211303334144 in words is "two hundred eleven billion, three hundred three million, three hundred thirty-four thousand, one hundred forty-four".