221411605611026 has 8 divisors (see below), whose sum is σ = 335341849275264. Its totient is φ = 109630989185940.

The previous prime is 221411605610851. The next prime is 221411605611109. The reversal of 221411605611026 is 620116506114122.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537406809530 + ... + 537406809941.

It is an arithmetic number, because the mean of its divisors is an integer number (41917731159408).

Almost surely, 2^{221411605611026} is an apocalyptic number.

221411605611026 is a deficient number, since it is larger than the sum of its proper divisors (113930243664238).

221411605611026 is a wasteful number, since it uses less digits than its factorization.

221411605611026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074813619576.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 221411605611026 in words is "two hundred twenty-one trillion, four hundred eleven billion, six hundred five million, six hundred eleven thousand, twenty-six".