221055154153 has 8 divisors (see below), whose sum is σ = 226875327840. Its totient is φ = 215309123040.

The previous prime is 221055154141. The next prime is 221055154183. The reversal of 221055154153 is 351451550122.

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

It is a cyclic number.

It is not a de Polignac number, because 221055154153 - 2⁵ = 221055154121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221055154183) 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, 18529603 + ... + 18541528.

It is an arithmetic number, because the mean of its divisors is an integer number (28359415980).

Almost surely, 2^221055154153 is an apocalyptic number.

It is an amenable number.

221055154153 is a deficient number, since it is larger than the sum of its proper divisors (5820173687).

221055154153 is an equidigital number, since it uses as much as digits as its factorization.

221055154153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37071287.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 221055154153 in words is "two hundred twenty-one billion, fifty-five million, one hundred fifty-four thousand, one hundred fifty-three".