202201221132109 has 2 divisors, whose sum is σ = 202201221132110. Its totient is φ = 202201221132108.

The previous prime is 202201221132091. The next prime is 202201221132133. The reversal of 202201221132109 is 901231122102202.

Together with previous prime (202201221132091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133627750704009 + 68573470428100 = 11559747^2 + 8280910^2 .

It is a cyclic number.

It is not a de Polignac number, because 202201221132109 - 2²⁷ = 202201086914381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202201021132109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100610566054 + 101100610566055.

It is an arithmetic number, because the mean of its divisors is an integer number (101100610566055).

Almost surely, 2^{202201221132109} is an apocalyptic number.

It is an amenable number.

202201221132109 is a deficient number, since it is larger than the sum of its proper divisors (1).

202201221132109 is an equidigital number, since it uses as much as digits as its factorization.

202201221132109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 202201221132109 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, one hundred thirty-two thousand, one hundred nine".