221541535441134 has 12 divisors (see below), whose sum is σ = 480006660122496. Its totient is φ = 73847178480372.

The previous prime is 221541535441123. The next prime is 221541535441181. The reversal of 221541535441134 is 431144535145122.

221541535441134 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 4 + 153 + 54 + 411 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 221541535441134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6153931540014 + ... + 6153931540049.

It is an arithmetic number, because the mean of its divisors is an integer number (40000555010208).

Almost surely, 2^{221541535441134} is an apocalyptic number.

221541535441134 is an abundant number, since it is smaller than the sum of its proper divisors (258465124681362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221541535441134 is a wasteful number, since it uses less digits than its factorization.

221541535441134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12307863080071 (or 12307863080068 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The spelling of 221541535441134 in words is "two hundred twenty-one trillion, five hundred forty-one billion, five hundred thirty-five million, four hundred forty-one thousand, one hundred thirty-four".