121130133309 has 12 divisors (see below), whose sum is σ = 176242872156. Its totient is φ = 80163980352.

The previous prime is 121130133307. The next prime is 121130133323. The reversal of 121130133309 is 903331031121.

121130133309 is a `hidden beast` number, since 1 + 21 + 1 + 301 + 3 + 330 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24477541209 + 96652592100 = 156453^2 + 310890^2 .

It is not a de Polignac number, because 121130133309 - 2¹ = 121130133307 is a prime.

It is a super-2 number, since 2×121130133309² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130133307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49118854 + ... + 49121319.

It is an arithmetic number, because the mean of its divisors is an integer number (14686906013).

Almost surely, 2^121130133309 is an apocalyptic number.

It is an amenable number.

121130133309 is a deficient number, since it is larger than the sum of its proper divisors (55112738847).

121130133309 is a wasteful number, since it uses less digits than its factorization.

121130133309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98240316 (or 98240313 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The spelling of 121130133309 in words is "one hundred twenty-one billion, one hundred thirty million, one hundred thirty-three thousand, three hundred nine".