101121120012009 has 8 divisors (see below), whose sum is σ = 142759228252320. Its totient is φ = 63448545889856.

The previous prime is 101121120011971. The next prime is 101121120012019. The reversal of 101121120012009 is 900210021121101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101121120012009 - 2¹² = 101121120007913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101121120012019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991383529479 + ... + 991383529580.

It is an arithmetic number, because the mean of its divisors is an integer number (17844903531540).

Almost surely, 2^{101121120012009} is an apocalyptic number.

It is an amenable number.

101121120012009 is a deficient number, since it is larger than the sum of its proper divisors (41638108240311).

101121120012009 is a wasteful number, since it uses less digits than its factorization.

101121120012009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982767059079.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 101121120012009 in words is "one hundred one trillion, one hundred twenty-one billion, one hundred twenty million, twelve thousand, nine".