121364545103 has 4 divisors (see below), whose sum is σ = 127752152760. Its totient is φ = 114976937448.

The previous prime is 121364545091. The next prime is 121364545109. The reversal of 121364545103 is 301545463121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121364545103 - 2⁴ = 121364545087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121364545109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3193803800 + ... + 3193803837.

It is an arithmetic number, because the mean of its divisors is an integer number (31938038190).

Almost surely, 2^121364545103 is an apocalyptic number.

121364545103 is a deficient number, since it is larger than the sum of its proper divisors (6387607657).

121364545103 is an equidigital number, since it uses as much as digits as its factorization.

121364545103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387607656.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 121364545103 in words is "one hundred twenty-one billion, three hundred sixty-four million, five hundred forty-five thousand, one hundred three".