2112202009987 has 2 divisors, whose sum is σ = 2112202009988. Its totient is φ = 2112202009986.

The previous prime is 2112202009961. The next prime is 2112202010047. The reversal of 2112202009987 is 7899002022112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112202009987 is a prime.

It is a super-2 number, since 2×2112202009987² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112202004987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056101004993 + 1056101004994.

It is an arithmetic number, because the mean of its divisors is an integer number (1056101004994).

Almost surely, 2^{2112202009987} is an apocalyptic number.

2112202009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112202009987 is an equidigital number, since it uses as much as digits as its factorization.

2112202009987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 2112202009987 in words is "two trillion, one hundred twelve billion, two hundred two million, nine thousand, nine hundred eighty-seven".