214221212104244 has 6 divisors (see below), whose sum is σ = 374887121182434. Its totient is φ = 107110606052120.

The previous prime is 214221212104223. The next prime is 214221212104271. The reversal of 214221212104244 is 442401212122412.

It can be written as a sum of positive squares in only one way, i.e., 127979715347344 + 86241496756900 = 11312812^2 + 9286630^2 .

It is a super-2 number, since 2×214221212104244² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 214221212104244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26777651513027 + ... + 26777651513034.

It is an arithmetic number, because the mean of its divisors is an integer number (62481186863739).

Almost surely, 2^{214221212104244} is an apocalyptic number.

It is an amenable number.

214221212104244 is a deficient number, since it is larger than the sum of its proper divisors (160665909078190).

214221212104244 is a wasteful number, since it uses less digits than its factorization.

214221212104244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53555303026065 (or 53555303026063 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 214221212104244 its reverse (442401212122412), we get a palindrome (656622424226656).

The spelling of 214221212104244 in words is "two hundred fourteen trillion, two hundred twenty-one billion, two hundred twelve million, one hundred four thousand, two hundred forty-four".