121451206103 has 2 divisors, whose sum is σ = 121451206104. Its totient is φ = 121451206102.

The previous prime is 121451206091. The next prime is 121451206111. The reversal of 121451206103 is 301602154121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121451206103 - 2⁴ = 121451206087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121451206403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60725603051 + 60725603052.

It is an arithmetic number, because the mean of its divisors is an integer number (60725603052).

Almost surely, 2^121451206103 is an apocalyptic number.

121451206103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121451206103 is an equidigital number, since it uses as much as digits as its factorization.

121451206103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 121451206103 in words is "one hundred twenty-one billion, four hundred fifty-one million, two hundred six thousand, one hundred three".