30121030114139 has 2 divisors, whose sum is σ = 30121030114140. Its totient is φ = 30121030114138.

The previous prime is 30121030114121. The next prime is 30121030114183. The reversal of 30121030114139 is 93141103012103.

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-30121030114139 is a prime.

It is a super-2 number, since 2×30121030114139² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30121030114339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060515057069 + 15060515057070.

It is an arithmetic number, because the mean of its divisors is an integer number (15060515057070).

Almost surely, 2^{30121030114139} is an apocalyptic number.

30121030114139 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121030114139 is an equidigital number, since it uses as much as digits as its factorization.

30121030114139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 30121030114139 in words is "thirty trillion, one hundred twenty-one billion, thirty million, one hundred fourteen thousand, one hundred thirty-nine".