121000010199 has 8 divisors (see below), whose sum is σ = 161342936832. Its totient is φ = 80661878520.

The previous prime is 121000010179. The next prime is 121000010231. The reversal of 121000010199 is 991010000121.

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

It is not a de Polignac number, because 121000010199 - 2⁷ = 121000010071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000010129) 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, 1139437 + ... + 1241094.

It is an arithmetic number, because the mean of its divisors is an integer number (20167867104).

Almost surely, 2^121000010199 is an apocalyptic number.

121000010199 is a deficient number, since it is larger than the sum of its proper divisors (40342926633).

121000010199 is a wasteful number, since it uses less digits than its factorization.

121000010199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397477.

The product of its (nonzero) digits is 162, while the sum is 24.

The spelling of 121000010199 in words is "one hundred twenty-one billion, ten thousand, one hundred ninety-nine".