121100103077 has 2 divisors, whose sum is σ = 121100103078. Its totient is φ = 121100103076.

The previous prime is 121100103053. The next prime is 121100103097. The reversal of 121100103077 is 770301001121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77020680676 + 44079422401 = 277526^2 + 209951^2 .

It is a cyclic number.

It is not a de Polignac number, because 121100103077 - 2¹⁴ = 121100086693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121100103097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550051538 + 60550051539.

It is an arithmetic number, because the mean of its divisors is an integer number (60550051539).

Almost surely, 2^121100103077 is an apocalyptic number.

It is an amenable number.

121100103077 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100103077 is an equidigital number, since it uses as much as digits as its factorization.

121100103077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294, while the sum is 23.

Adding to 121100103077 its reverse (770301001121), we get a palindrome (891401104198).

The spelling of 121100103077 in words is "one hundred twenty-one billion, one hundred million, one hundred three thousand, seventy-seven".