121211011201079 has 2 divisors, whose sum is σ = 121211011201080. Its totient is φ = 121211011201078.

The previous prime is 121211011201067. The next prime is 121211011201109. The reversal of 121211011201079 is 970102110112121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121211011201079 - 2¹² = 121211011196983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121211011201019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605505600539 + 60605505600540.

It is an arithmetic number, because the mean of its divisors is an integer number (60605505600540).

Almost surely, 2^{121211011201079} is an apocalyptic number.

121211011201079 is a deficient number, since it is larger than the sum of its proper divisors (1).

121211011201079 is an equidigital number, since it uses as much as digits as its factorization.

121211011201079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 29.

The spelling of 121211011201079 in words is "one hundred twenty-one trillion, two hundred eleven billion, eleven million, two hundred one thousand, seventy-nine".