120011121091 has 2 divisors, whose sum is σ = 120011121092. Its totient is φ = 120011121090.

The previous prime is 120011121049. The next prime is 120011121101. The reversal of 120011121091 is 190121110021.

It is a strong prime.

It is an emirp because it is prime and its reverse (190121110021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120011121091 - 2¹³ = 120011112899 is a prime.

It is not a weakly prime, because it can be changed into another prime (120011121691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005560545 + 60005560546.

It is an arithmetic number, because the mean of its divisors is an integer number (60005560546).

Almost surely, 2^120011121091 is an apocalyptic number.

120011121091 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011121091 is an equidigital number, since it uses as much as digits as its factorization.

120011121091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 120011121091 in words is "one hundred twenty billion, eleven million, one hundred twenty-one thousand, ninety-one".