121200112102 has 8 divisors (see below), whose sum is σ = 182093869800. Its totient is φ = 60502155504.

The previous prime is 121200112097. The next prime is 121200112127. The reversal of 121200112102 is 201211002121.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48948727 + ... + 48951202.

It is an arithmetic number, because the mean of its divisors is an integer number (22761733725).

Almost surely, 2^121200112102 is an apocalyptic number.

121200112102 is a deficient number, since it is larger than the sum of its proper divisors (60893757698).

121200112102 is an equidigital number, since it uses as much as digits as its factorization.

121200112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97900550.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121200112102 its reverse (201211002121), we get a palindrome (322411114223).

The spelling of 121200112102 in words is "one hundred twenty-one billion, two hundred million, one hundred twelve thousand, one hundred two".