211422232144 has 40 divisors (see below), whose sum is σ = 411668026560. Its totient is φ = 105185852928.

The previous prime is 211422232129. The next prime is 211422232159. The reversal of 211422232144 is 441232224112.

It is an interprime number because it is at equal distance from previous prime (211422232129) and next prime (211422232159).

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, 6787197 + ... + 6818275.

It is an arithmetic number, because the mean of its divisors is an integer number (10291700664).

Almost surely, 2^211422232144 is an apocalyptic number.

It is an amenable number.

211422232144 is a deficient number, since it is larger than the sum of its proper divisors (200245794416).

211422232144 is a wasteful number, since it uses less digits than its factorization.

211422232144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33187 (or 33181 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 211422232144 its reverse (441232224112), we get a palindrome (652654456256).

The spelling of 211422232144 in words is "two hundred eleven billion, four hundred twenty-two million, two hundred thirty-two thousand, one hundred forty-four".