121110112102 has 8 divisors (see below), whose sum is σ = 207617335056. Its totient is φ = 51904333752.

The previous prime is 121110112087. The next prime is 121110112103. The reversal of 121110112102 is 201211011121.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110112103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4325361133 + ... + 4325361160.

It is an arithmetic number, because the mean of its divisors is an integer number (25952166882).

Almost surely, 2^121110112102 is an apocalyptic number.

121110112102 is a deficient number, since it is larger than the sum of its proper divisors (86507222954).

121110112102 is an equidigital number, since it uses as much as digits as its factorization.

121110112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8650722302.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121110112102 its reverse (201211011121), we get a palindrome (322321123223).

The spelling of 121110112102 in words is "one hundred twenty-one billion, one hundred ten million, one hundred twelve thousand, one hundred two".