221201011093 has 2 divisors, whose sum is σ = 221201011094. Its totient is φ = 221201011092.

The previous prime is 221201011081. The next prime is 221201011153. The reversal of 221201011093 is 390110102122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211400407089 + 9800604004 = 459783^2 + 98998^2 .

It is a cyclic number.

It is not a de Polignac number, because 221201011093 - 2¹³ = 221201002901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221201011013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110600505546 + 110600505547.

It is an arithmetic number, because the mean of its divisors is an integer number (110600505547).

Almost surely, 2^221201011093 is an apocalyptic number.

It is an amenable number.

221201011093 is a deficient number, since it is larger than the sum of its proper divisors (1).

221201011093 is an equidigital number, since it uses as much as digits as its factorization.

221201011093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 221201011093 in words is "two hundred twenty-one billion, two hundred one million, eleven thousand, ninety-three".