121320141023121 has 16 divisors (see below), whose sum is σ = 171450800846784. Its totient is φ = 76044526920704.

The previous prime is 121320141023119. The next prime is 121320141023129.

121320141023121 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 121320141023121 - 2¹ = 121320141023119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121320141023091 and 121320141023100.

It is not an unprimeable number, because it can be changed into a prime (121320141023129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217363835 + ... + 1217463488.

It is an arithmetic number, because the mean of its divisors is an integer number (10715675052924).

Almost surely, 2^{121320141023121} is an apocalyptic number.

It is an amenable number.

121320141023121 is a deficient number, since it is larger than the sum of its proper divisors (50130659823663).

121320141023121 is a wasteful number, since it uses less digits than its factorization.

121320141023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434828320.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 121320141023121 in words is "one hundred twenty-one trillion, three hundred twenty billion, one hundred forty-one million, twenty-three thousand, one hundred twenty-one".