221121040121183 has 2 divisors, whose sum is σ = 221121040121184. Its totient is φ = 221121040121182.

The previous prime is 221121040121087. The next prime is 221121040121203. The reversal of 221121040121183 is 381121040121122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221121040121183 - 2¹⁰ = 221121040120159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221121040121383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110560520060591 + 110560520060592.

It is an arithmetic number, because the mean of its divisors is an integer number (110560520060592).

Almost surely, 2^{221121040121183} is an apocalyptic number.

221121040121183 is a deficient number, since it is larger than the sum of its proper divisors (1).

221121040121183 is an equidigital number, since it uses as much as digits as its factorization.

221121040121183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 29.

The spelling of 221121040121183 in words is "two hundred twenty-one trillion, one hundred twenty-one billion, forty million, one hundred twenty-one thousand, one hundred eighty-three".