202221441109 has 2 divisors, whose sum is σ = 202221441110. Its totient is φ = 202221441108.

The previous prime is 202221441013. The next prime is 202221441139. The reversal of 202221441109 is 901144122202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122047518609 + 80173922500 = 349353^2 + 283150^2 .

It is a cyclic number.

It is not a de Polignac number, because 202221441109 - 2¹⁷ = 202221310037 is a prime.

It is a super-2 number, since 2×202221441109² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202221441139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110720554 + 101110720555.

It is an arithmetic number, because the mean of its divisors is an integer number (101110720555).

Almost surely, 2^202221441109 is an apocalyptic number.

It is an amenable number.

202221441109 is a deficient number, since it is larger than the sum of its proper divisors (1).

202221441109 is an equidigital number, since it uses as much as digits as its factorization.

202221441109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 202221441109 in words is "two hundred two billion, two hundred twenty-one million, four hundred forty-one thousand, one hundred nine".