221744512941 has 16 divisors (see below), whose sum is σ = 355680422400. Its totient is φ = 120042142128.

The previous prime is 221744512939. The next prime is 221744512961. The reversal of 221744512941 is 149215447122.

221744512941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221744512941 - 2¹ = 221744512939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221744512893 and 221744512902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221744512961) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 277874931 + ... + 277875728.

It is an arithmetic number, because the mean of its divisors is an integer number (22230026400).

Almost surely, 2^221744512941 is an apocalyptic number.

221744512941 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221744512941 is a deficient number, since it is larger than the sum of its proper divisors (133935909459).

221744512941 is a wasteful number, since it uses less digits than its factorization.

221744512941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555750688.

The product of its digits is 161280, while the sum is 42.

The spelling of 221744512941 in words is "two hundred twenty-one billion, seven hundred forty-four million, five hundred twelve thousand, nine hundred forty-one".