2002111200109 has 2 divisors, whose sum is σ = 2002111200110. Its totient is φ = 2002111200108.

The previous prime is 2002111200059. The next prime is 2002111200119. The reversal of 2002111200109 is 9010021112002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1209993400009 + 792117800100 = 1099997^2 + 890010^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002111200109 - 2¹⁷ = 2002111069037 is a prime.

It is a super-2 number, since 2×2002111200109² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002111200119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001055600054 + 1001055600055.

It is an arithmetic number, because the mean of its divisors is an integer number (1001055600055).

Almost surely, 2^{2002111200109} is an apocalyptic number.

It is an amenable number.

2002111200109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002111200109 is an equidigital number, since it uses as much as digits as its factorization.

2002111200109 is an odious number, because the sum of its binary digits is odd.

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

It can be divided in two parts, 2002 and 111200109, that added together give a palindrome (111202111).

The spelling of 2002111200109 in words is "two trillion, two billion, one hundred eleven million, two hundred thousand, one hundred nine".