121110100212199 has 8 divisors (see below), whose sum is σ = 138459989584928. Its totient is φ = 103772322460800.

The previous prime is 121110100212193. The next prime is 121110100212209. The reversal of 121110100212199 is 991212001011121.

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

It is not a de Polignac number, because 121110100212199 - 2⁹ = 121110100211687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121110100212199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110100212193) 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, 3027883902 + ... + 3027923899.

It is an arithmetic number, because the mean of its divisors is an integer number (17307498698116).

Almost surely, 2^{121110100212199} is an apocalyptic number.

121110100212199 is a deficient number, since it is larger than the sum of its proper divisors (17349889372729).

121110100212199 is an equidigital number, since it uses as much as digits as its factorization.

121110100212199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055810665.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 121110100212199 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred million, two hundred twelve thousand, one hundred ninety-nine".