211444234342 has 16 divisors (see below), whose sum is σ = 346165837632. Its totient is φ = 96064854120.

The previous prime is 211444234307. The next prime is 211444234357. The reversal of 211444234342 is 243432444112.

It is a super-2 number, since 2×211444234342² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211444234298 and 211444234307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261208 + ... + 2352859.

It is an arithmetic number, because the mean of its divisors is an integer number (21635364852).

Almost surely, 2^211444234342 is an apocalyptic number.

211444234342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211444234342 is a deficient number, since it is larger than the sum of its proper divisors (134721603290).

211444234342 is a wasteful number, since it uses less digits than its factorization.

211444234342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616163.

The product of its digits is 73728, while the sum is 34.

Adding to 211444234342 its reverse (243432444112), we get a palindrome (454876678454).

The spelling of 211444234342 in words is "two hundred eleven billion, four hundred forty-four million, two hundred thirty-four thousand, three hundred forty-two".