221411742053044 has 12 divisors (see below), whose sum is σ = 387612531224100. Its totient is φ = 110665304560448.

The previous prime is 221411742053027. The next prime is 221411742053081. The reversal of 221411742053044 is 440350247114122.

It can be written as a sum of positive squares in 2 ways, for example, as 186601883652900 + 34809858400144 = 13660230^2 + 5899988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221411742052988 and 221411742053006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10141604239 + ... + 10141626070.

It is an arithmetic number, because the mean of its divisors is an integer number (32301044268675).

Almost surely, 2^{221411742053044} is an apocalyptic number.

It is an amenable number.

221411742053044 is a deficient number, since it is larger than the sum of its proper divisors (166200789171056).

221411742053044 is a wasteful number, since it uses less digits than its factorization.

221411742053044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20283233042 (or 20283233040 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

Adding to 221411742053044 its reverse (440350247114122), we get a palindrome (661761989167166).

The spelling of 221411742053044 in words is "two hundred twenty-one trillion, four hundred eleven billion, seven hundred forty-two million, fifty-three thousand, forty-four".