1109101929109 has 2 divisors, whose sum is σ = 1109101929110. Its totient is φ = 1109101929108.

The previous prime is 1109101929059. The next prime is 1109101929113. The reversal of 1109101929109 is 9019291019011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 635065548100 + 474036381009 = 796910^2 + 688503^2 .

It is a cyclic number.

It is not a de Polignac number, because 1109101929109 - 2⁷ = 1109101928981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109101029109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554550964554 + 554550964555.

It is an arithmetic number, because the mean of its divisors is an integer number (554550964555).

Almost surely, 2^{1109101929109} is an apocalyptic number.

It is an amenable number.

1109101929109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109101929109 is an equidigital number, since it uses as much as digits as its factorization.

1109101929109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 43.

The spelling of 1109101929109 in words is "one trillion, one hundred nine billion, one hundred one million, nine hundred twenty-nine thousand, one hundred nine".