121210102099 has 8 divisors (see below), whose sum is σ = 121305908160. Its totient is φ = 121114337256.

The previous prime is 121210102009. The next prime is 121210102103. The reversal of 121210102099 is 990201012121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121210102099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121210102009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8279424 + ... + 8294050.

It is an arithmetic number, because the mean of its divisors is an integer number (15163238520).

Almost surely, 2^121210102099 is an apocalyptic number.

121210102099 is a deficient number, since it is larger than the sum of its proper divisors (95806061).

121210102099 is a wasteful number, since it uses less digits than its factorization.

121210102099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20609.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 121210102099 in words is "one hundred twenty-one billion, two hundred ten million, one hundred two thousand, ninety-nine".