221121040121093 has 8 divisors (see below), whose sum is σ = 252710598819840. Its totient is φ = 189531691092720.

The previous prime is 221121040121087. The next prime is 221121040121183. The reversal of 221121040121093 is 390121040121122.

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 221121040121093 - 2⁶ = 221121040121029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221121040171093) 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, 50151173 + ... + 54381818.

It is an arithmetic number, because the mean of its divisors is an integer number (31588824852480).

Almost surely, 2^{221121040121093} is an apocalyptic number.

It is an amenable number.

221121040121093 is a deficient number, since it is larger than the sum of its proper divisors (31589558698747).

221121040121093 is a wasteful number, since it uses less digits than its factorization.

221121040121093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104835187.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 221121040121093 its sum of digits (29), we get a palindrome (221121040121122).

The spelling of 221121040121093 in words is "two hundred twenty-one trillion, one hundred twenty-one billion, forty million, one hundred twenty-one thousand, ninety-three".