121112120102 has 8 divisors (see below), whose sum is σ = 183466875312. Its totient is φ = 59956495000.

The previous prime is 121112120089. The next prime is 121112120149. The reversal of 121112120102 is 201021211121.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299782274 + ... + 299782677.

It is an arithmetic number, because the mean of its divisors is an integer number (22933359414).

Almost surely, 2^121112120102 is an apocalyptic number.

121112120102 is a deficient number, since it is larger than the sum of its proper divisors (62354755210).

121112120102 is a wasteful number, since it uses less digits than its factorization.

121112120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599565054.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121112120102 its reverse (201021211121), we get a palindrome (322133331223).

It can be divided in two parts, 1211121 and 20102, that multiplied together give a palindrome (24345954342).

The spelling of 121112120102 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred twenty thousand, one hundred two".