10011121209979 has 2 divisors, whose sum is σ = 10011121209980. Its totient is φ = 10011121209978.

The previous prime is 10011121209931. The next prime is 10011121210109. The reversal of 10011121209979 is 97990212111001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10011121209979 - 2³¹ = 10008973726331 is a prime.

It is not a weakly prime, because it can be changed into another prime (10011121209919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005560604989 + 5005560604990.

It is an arithmetic number, because the mean of its divisors is an integer number (5005560604990).

Almost surely, 2^{10011121209979} is an apocalyptic number.

10011121209979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011121209979 is an equidigital number, since it uses as much as digits as its factorization.

10011121209979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 43.

The spelling of 10011121209979 in words is "ten trillion, eleven billion, one hundred twenty-one million, two hundred nine thousand, nine hundred seventy-nine".