121103256675205 has 16 divisors (see below), whose sum is σ = 166085108285184. Its totient is φ = 83041912154880.

The previous prime is 121103256675197. The next prime is 121103256675227. The reversal of 121103256675205 is 502576652301121.

It is not a de Polignac number, because 121103256675205 - 2³ = 121103256675197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2681469 + ... + 15792301.

It is an arithmetic number, because the mean of its divisors is an integer number (10380319267824).

Almost surely, 2^{121103256675205} is an apocalyptic number.

It is an amenable number.

121103256675205 is a deficient number, since it is larger than the sum of its proper divisors (44981851609979).

121103256675205 is a wasteful number, since it uses less digits than its factorization.

121103256675205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374756.

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 121103256675205 in words is "one hundred twenty-one trillion, one hundred three billion, two hundred fifty-six million, six hundred seventy-five thousand, two hundred five".