221411644551103 has 8 divisors (see below), whose sum is σ = 236711935238688. Its totient is φ = 206364251230464.

The previous prime is 221411644551079. The next prime is 221411644551151. The reversal of 221411644551103 is 301155446114122.

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

It is not a de Polignac number, because 221411644551103 - 2²⁵ = 221411610996671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221411644551173) 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, 63224339926 + ... + 63224343427.

It is an arithmetic number, because the mean of its divisors is an integer number (29588991904836).

Almost surely, 2^{221411644551103} is an apocalyptic number.

221411644551103 is a deficient number, since it is larger than the sum of its proper divisors (15300290687585).

221411644551103 is a wasteful number, since it uses less digits than its factorization.

221411644551103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126448683473.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 221411644551103 in words is "two hundred twenty-one trillion, four hundred eleven billion, six hundred forty-four million, five hundred fifty-one thousand, one hundred three".