121010230032009 has 4 divisors (see below), whose sum is σ = 161346973376016. Its totient is φ = 80673486688004.

The previous prime is 121010230031893. The next prime is 121010230032019. The reversal of 121010230032009 is 900230032010121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121010230032009 - 2¹³ = 121010230023817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121010230032009.

It is not an unprimeable number, because it can be changed into a prime (121010230032019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20168371671999 + ... + 20168371672004.

It is an arithmetic number, because the mean of its divisors is an integer number (40336743344004).

Almost surely, 2^{121010230032009} is an apocalyptic number.

It is an amenable number.

121010230032009 is a deficient number, since it is larger than the sum of its proper divisors (40336743344007).

121010230032009 is an equidigital number, since it uses as much as digits as its factorization.

121010230032009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40336743344006.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 121010230032009 in words is "one hundred twenty-one trillion, ten billion, two hundred thirty million, thirty-two thousand, nine".