121131002133 has 6 divisors (see below), whose sum is σ = 174967003094. Its totient is φ = 80754001416.

The previous prime is 121131002131. The next prime is 121131002143. The reversal of 121131002133 is 331200131121.

It can be written as a sum of positive squares in only one way, i.e., 115778909169 + 5352092964 = 340263^2 + 73158^2 .

It is not a de Polignac number, because 121131002133 - 2¹ = 121131002131 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 (121131002131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6729500110 + ... + 6729500127.

Almost surely, 2^121131002133 is an apocalyptic number.

It is an amenable number.

121131002133 is a deficient number, since it is larger than the sum of its proper divisors (53836000961).

121131002133 is a wasteful number, since it uses less digits than its factorization.

121131002133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13459000243 (or 13459000240 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121131002133 its reverse (331200131121), we get a palindrome (452331133254).

The spelling of 121131002133 in words is "one hundred twenty-one billion, one hundred thirty-one million, two thousand, one hundred thirty-three".