2112121000939 has 2 divisors, whose sum is σ = 2112121000940. Its totient is φ = 2112121000938.

The previous prime is 2112121000931. The next prime is 2112121000943. The reversal of 2112121000939 is 9390001212112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112121000939 - 2³ = 2112121000931 is a prime.

It is a super-2 number, since 2×2112121000939² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112121000939.

It is not a weakly prime, because it can be changed into another prime (2112121000931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056060500469 + 1056060500470.

It is an arithmetic number, because the mean of its divisors is an integer number (1056060500470).

Almost surely, 2^{2112121000939} is an apocalyptic number.

2112121000939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112121000939 is an equidigital number, since it uses as much as digits as its factorization.

2112121000939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 2112121000939 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, nine hundred thirty-nine", and thus it is an aban number.