121131023300109 has 24 divisors (see below), whose sum is σ = 179278302837920. Its totient is φ = 78769281542112.

The previous prime is 121131023300087. The next prime is 121131023300113. The reversal of 121131023300109 is 901003320131121.

121131023300109 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 310 + 2 + 330 + 0 + 10 + 9 = 666.

121131023300109 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 121131023300109 - 2¹³ = 121131023291917 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 (121131023300179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211486714 + ... + 212058699.

Almost surely, 2^{121131023300109} is an apocalyptic number.

It is an amenable number.

121131023300109 is a deficient number, since it is larger than the sum of its proper divisors (58147279537811).

121131023300109 is a wasteful number, since it uses less digits than its factorization.

121131023300109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423546201 (or 423546198 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 121131023300109 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, twenty-three million, three hundred thousand, one hundred nine".