121100214200109 has 8 divisors (see below), whose sum is σ = 161467006303680. Its totient is φ = 80733449114976.

The previous prime is 121100214200099. The next prime is 121100214200143. The reversal of 121100214200109 is 901002412001121.

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

It is not a de Polignac number, because 121100214200109 - 2¹⁵ = 121100214167341 is a prime.

It is a super-2 number, since 2×121100214200109² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100214200509) 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, 8860912 + ... + 17908550.

It is an arithmetic number, because the mean of its divisors is an integer number (20183375787960).

Almost surely, 2^{121100214200109} is an apocalyptic number.

It is an amenable number.

121100214200109 is a deficient number, since it is larger than the sum of its proper divisors (40366792103571).

121100214200109 is an equidigital number, since it uses as much as digits as its factorization.

121100214200109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13509219.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 121100214200109 in words is "one hundred twenty-one trillion, one hundred billion, two hundred fourteen million, two hundred thousand, one hundred nine".