121010099 has 8 divisors (see below), whose sum is σ = 139964160. Its totient is φ = 102472776.

The previous prime is 121010083. The next prime is 121010117. The reversal of 121010099 is 990010121.

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

It is not a de Polignac number, because 121010099 - 2⁴ = 121010083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121010039) 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, 103559 + ... + 104720.

It is an arithmetic number, because the mean of its divisors is an integer number (17495520).

Almost surely, 2^121010099 is an apocalyptic number.

121010099 is a deficient number, since it is larger than the sum of its proper divisors (18954061).

121010099 is an equidigital number, since it uses as much as digits as its factorization.

121010099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208369.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 121010099 is about 11000.4590358766. The cubic root of 121010099 is about 494.6225044206.

The spelling of 121010099 in words is "one hundred twenty-one million, ten thousand, ninety-nine".