121266102803 has 2 divisors, whose sum is σ = 121266102804. Its totient is φ = 121266102802.

The previous prime is 121266102739. The next prime is 121266102817. The reversal of 121266102803 is 308201662121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121266102803 - 2⁶ = 121266102739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121266102803.

It is not a weakly prime, because it can be changed into another prime (121266102403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60633051401 + 60633051402.

It is an arithmetic number, because the mean of its divisors is an integer number (60633051402).

Almost surely, 2^121266102803 is an apocalyptic number.

121266102803 is a deficient number, since it is larger than the sum of its proper divisors (1).

121266102803 is an equidigital number, since it uses as much as digits as its factorization.

121266102803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 121266102803 its reverse (308201662121), we get a palindrome (429467764924).

The spelling of 121266102803 in words is "one hundred twenty-one billion, two hundred sixty-six million, one hundred two thousand, eight hundred three".