121001100012049 has 2 divisors, whose sum is σ = 121001100012050. Its totient is φ = 121001100012048.

The previous prime is 121001100012043. The next prime is 121001100012101. The reversal of 121001100012049 is 940210001100121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76120948471824 + 44880151540225 = 8724732^2 + 6699265^2 .

It is a cyclic number.

It is not a de Polignac number, because 121001100012049 - 2²⁵ = 121001066457617 is a prime.

It is not a weakly prime, because it can be changed into another prime (121001100012043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500550006024 + 60500550006025.

It is an arithmetic number, because the mean of its divisors is an integer number (60500550006025).

Almost surely, 2^{121001100012049} is an apocalyptic number.

It is an amenable number.

121001100012049 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001100012049 is an equidigital number, since it uses as much as digits as its factorization.

121001100012049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 121001100012049 in words is "one hundred twenty-one trillion, one billion, one hundred million, twelve thousand, forty-nine".