121320233011011 has 32 divisors (see below), whose sum is σ = 169485681197056. Its totient is φ = 77096031012000.

The previous prime is 121320233010997. The next prime is 121320233011063. The reversal of 121320233011011 is 110110332023121.

It is not a de Polignac number, because 121320233011011 - 2⁶ = 121320233010947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121320233015011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69618156 + ... + 71339526.

It is an arithmetic number, because the mean of its divisors is an integer number (5296427537408).

Almost surely, 2^{121320233011011} is an apocalyptic number.

121320233011011 is a deficient number, since it is larger than the sum of its proper divisors (48165448186045).

121320233011011 is a wasteful number, since it uses less digits than its factorization.

121320233011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732783.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121320233011011 its reverse (110110332023121), we get a palindrome (231430565034132).

The spelling of 121320233011011 in words is "one hundred twenty-one trillion, three hundred twenty billion, two hundred thirty-three million, eleven thousand, eleven".