221041514553 has 8 divisors (see below), whose sum is σ = 295307949888. Its totient is φ = 147068044464.

The previous prime is 221041514543. The next prime is 221041514557. The reversal of 221041514553 is 355415140122.

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

It is not a de Polignac number, because 221041514553 - 2¹⁷ = 221041383481 is a prime.

It is a super-2 number, since 2×221041514553² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221041514557) 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, 73239550 + ... + 73242567.

It is an arithmetic number, because the mean of its divisors is an integer number (36913493736).

Almost surely, 2^221041514553 is an apocalyptic number.

It is an amenable number.

221041514553 is a deficient number, since it is larger than the sum of its proper divisors (74266435335).

221041514553 is a wasteful number, since it uses less digits than its factorization.

221041514553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146482623.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 221041514553 its reverse (355415140122), we get a palindrome (576456654675).

The spelling of 221041514553 in words is "two hundred twenty-one billion, forty-one million, five hundred fourteen thousand, five hundred fifty-three".