1102002012109 has 2 divisors, whose sum is σ = 1102002012110. Its totient is φ = 1102002012108.

The previous prime is 1102002012101. The next prime is 1102002012143. The reversal of 1102002012109 is 9012102002011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 705003726025 + 396998286084 = 839645^2 + 630078^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102002012109 - 2³ = 1102002012101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102002012101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551001006054 + 551001006055.

It is an arithmetic number, because the mean of its divisors is an integer number (551001006055).

Almost surely, 2^{1102002012109} is an apocalyptic number.

It is an amenable number.

1102002012109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102002012109 is an equidigital number, since it uses as much as digits as its factorization.

1102002012109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1102002012109 in words is "one trillion, one hundred two billion, two million, twelve thousand, one hundred nine".