211440144014 has 16 divisors (see below), whose sum is σ = 346038995376. Its totient is φ = 96096369600.

The previous prime is 211440144011. The next prime is 211440144029. The reversal of 211440144014 is 410441044112.

It is a super-2 number, since 2×211440144014² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211440144011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469217 + ... + 801900.

It is an arithmetic number, because the mean of its divisors is an integer number (21627437211).

Almost surely, 2^211440144014 is an apocalyptic number.

211440144014 is a deficient number, since it is larger than the sum of its proper divisors (134598851362).

211440144014 is a wasteful number, since it uses less digits than its factorization.

211440144014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278691.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 211440144014 its reverse (410441044112), we get a palindrome (621881188126).

The spelling of 211440144014 in words is "two hundred eleven billion, four hundred forty million, one hundred forty-four thousand, fourteen".