211444232442 has 16 divisors (see below), whose sum is σ = 447764257152. Its totient is φ = 66335445440.

The previous prime is 211444232423. The next prime is 211444232453. The reversal of 211444232442 is 244232444112.

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, 1036491234 + ... + 1036491437.

It is an arithmetic number, because the mean of its divisors is an integer number (27985266072).

Almost surely, 2^211444232442 is an apocalyptic number.

211444232442 is an abundant number, since it is smaller than the sum of its proper divisors (236320024710).

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

211444232442 is a wasteful number, since it uses less digits than its factorization.

211444232442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072982693.

The product of its digits is 49152, while the sum is 33.

Adding to 211444232442 its reverse (244232444112), we get a palindrome (455676676554).

The spelling of 211444232442 in words is "two hundred eleven billion, four hundred forty-four million, two hundred thirty-two thousand, four hundred forty-two".