2112010199969 has 2 divisors, whose sum is σ = 2112010199970. Its totient is φ = 2112010199968.

The previous prime is 2112010199939. The next prime is 2112010200019. The reversal of 2112010199969 is 9699910102112.

It is an a-pointer prime, because the next prime (2112010200019) can be obtained adding 2112010199969 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2061019140625 + 50991059344 = 1435625^2 + 225812^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112010199969 - 2¹² = 2112010195873 is a prime.

It is a super-2 number, since 2×2112010199969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112010199939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056005099984 + 1056005099985.

It is an arithmetic number, because the mean of its divisors is an integer number (1056005099985).

Almost surely, 2^{2112010199969} is an apocalyptic number.

It is an amenable number.

2112010199969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112010199969 is an equidigital number, since it uses as much as digits as its factorization.

2112010199969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 50.

The spelling of 2112010199969 in words is "two trillion, one hundred twelve billion, ten million, one hundred ninety-nine thousand, nine hundred sixty-nine".