211343034004112 has 80 divisors (see below), whose sum is σ = 425229346080000. Its totient is φ = 101634551112192.

The previous prime is 211343034004103. The next prime is 211343034004139. The reversal of 211343034004112 is 211400430343112.

It is a super-2 number, since 2×211343034004112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3587589314 + ... + 3587648222.

It is an arithmetic number, because the mean of its divisors is an integer number (5315366826000).

Almost surely, 2^{211343034004112} 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 211343034004112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212614673040000).

211343034004112 is an abundant number, since it is smaller than the sum of its proper divisors (213886312075888).

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

211343034004112 is a wasteful number, since it uses less digits than its factorization.

211343034004112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88608 (or 88602 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 211343034004112 its reverse (211400430343112), we get a palindrome (422743464347224).

The spelling of 211343034004112 in words is "two hundred eleven trillion, three hundred forty-three billion, thirty-four million, four thousand, one hundred twelve".