121102102109 has 8 divisors (see below), whose sum is σ = 121708730880. Its totient is φ = 120496334400.

The previous prime is 121102102097. The next prime is 121102102111. The reversal of 121102102109 is 901201201121.

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-121102102109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102102159) 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, 67652 + ... + 496770.

It is an arithmetic number, because the mean of its divisors is an integer number (15213591360).

Almost surely, 2^121102102109 is an apocalyptic number.

It is an amenable number.

121102102109 is a deficient number, since it is larger than the sum of its proper divisors (606628771).

121102102109 is a wasteful number, since it uses less digits than its factorization.

121102102109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430531.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 121102102109 in words is "one hundred twenty-one billion, one hundred two million, one hundred two thousand, one hundred nine".