211224123033242 has 16 divisors (see below), whose sum is σ = 345659580512064. Its totient is φ = 96005379888000.

The previous prime is 211224123033229. The next prime is 211224123033251. The reversal of 211224123033242 is 242330321422112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211224123033199 and 211224123033208.

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, 278869559 + ... + 279625962.

It is an arithmetic number, because the mean of its divisors is an integer number (21603723782004).

Almost surely, 2^{211224123033242} is an apocalyptic number.

211224123033242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211224123033242 is a deficient number, since it is larger than the sum of its proper divisors (134435457478822).

211224123033242 is a wasteful number, since it uses less digits than its factorization.

211224123033242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558512725.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 211224123033242 its reverse (242330321422112), we get a palindrome (453554444455354).

The spelling of 211224123033242 in words is "two hundred eleven trillion, two hundred twenty-four billion, one hundred twenty-three million, thirty-three thousand, two hundred forty-two".