202030411109 has 2 divisors, whose sum is σ = 202030411110. Its totient is φ = 202030411108.

The previous prime is 202030411103. The next prime is 202030411139. The reversal of 202030411109 is 901114030202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198957926209 + 3072484900 = 446047^2 + 55430^2 .

It is a cyclic number.

It is not a de Polignac number, because 202030411109 - 2³² = 197735443813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202030411103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101015205554 + 101015205555.

It is an arithmetic number, because the mean of its divisors is an integer number (101015205555).

Almost surely, 2^202030411109 is an apocalyptic number.

It is an amenable number.

202030411109 is a deficient number, since it is larger than the sum of its proper divisors (1).

202030411109 is an equidigital number, since it uses as much as digits as its factorization.

202030411109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 202030411109 in words is "two hundred two billion, thirty million, four hundred eleven thousand, one hundred nine".