221660105413411 has 8 divisors (see below), whose sum is σ = 253327485361760. Its totient is φ = 189993138115968.

The previous prime is 221660105413381. The next prime is 221660105413427. The reversal of 221660105413411 is 114314501066122.

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 221660105413411 - 2⁵ = 221660105413379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221660105414411) 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, 102010806 + ... + 104161051.

It is an arithmetic number, because the mean of its divisors is an integer number (31665935670220).

Almost surely, 2^{221660105413411} is an apocalyptic number.

221660105413411 is a deficient number, since it is larger than the sum of its proper divisors (31667379948349).

221660105413411 is a wasteful number, since it uses less digits than its factorization.

221660105413411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206325453.

The product of its (nonzero) digits is 34560, while the sum is 37.

Adding to 221660105413411 its reverse (114314501066122), we get a palindrome (335974606479533).

The spelling of 221660105413411 in words is "two hundred twenty-one trillion, six hundred sixty billion, one hundred five million, four hundred thirteen thousand, four hundred eleven".