221450050541 has 8 divisors (see below), whose sum is σ = 235994874624. Its totient is φ = 207314939920.

The previous prime is 221450050529. The next prime is 221450050543. The reversal of 221450050541 is 145050054122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221450050541 - 2²² = 221445856237 is a prime.

It is a super-2 number, since 2×221450050541² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221450050543) 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, 102427250 + ... + 102429411.

It is an arithmetic number, because the mean of its divisors is an integer number (29499359328).

Almost surely, 2^221450050541 is an apocalyptic number.

It is an amenable number.

221450050541 is a deficient number, since it is larger than the sum of its proper divisors (14544824083).

221450050541 is a wasteful number, since it uses less digits than its factorization.

221450050541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204856731.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 221450050541 in words is "two hundred twenty-one billion, four hundred fifty million, fifty thousand, five hundred forty-one".