221221424040095 has 8 divisors (see below), whose sum is σ = 281081338780464. Its totient is φ = 166566719277184.

The previous prime is 221221424040079. The next prime is 221221424040151. The reversal of 221221424040095 is 590040424122122.

It is a happy number.

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 221221424040095 - 2⁴ = 221221424040079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301302494269 + ... + 1301302494438.

It is an arithmetic number, because the mean of its divisors is an integer number (35135167347558).

Almost surely, 2^{221221424040095} is an apocalyptic number.

221221424040095 is a deficient number, since it is larger than the sum of its proper divisors (59859914740369).

221221424040095 is a wasteful number, since it uses less digits than its factorization.

221221424040095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602604988729.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 221221424040095 in words is "two hundred twenty-one trillion, two hundred twenty-one billion, four hundred twenty-four million, forty thousand, ninety-five".