121133020009 has 2 divisors, whose sum is σ = 121133020010. Its totient is φ = 121133020008.

The previous prime is 121133019967. The next prime is 121133020013. The reversal of 121133020009 is 900020331121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72113731600 + 49019288409 = 268540^2 + 221403^2 .

It is a cyclic number.

It is not a de Polignac number, because 121133020009 - 2¹³ = 121133011817 is a prime.

It is not a weakly prime, because it can be changed into another prime (121133020079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60566510004 + 60566510005.

It is an arithmetic number, because the mean of its divisors is an integer number (60566510005).

Almost surely, 2^121133020009 is an apocalyptic number.

It is an amenable number.

121133020009 is a deficient number, since it is larger than the sum of its proper divisors (1).

121133020009 is an equidigital number, since it uses as much as digits as its factorization.

121133020009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 121133020009 in words is "one hundred twenty-one billion, one hundred thirty-three million, twenty thousand, nine".