121110212102 has 32 divisors (see below), whose sum is σ = 201507315840. Its totient is φ = 54128954880.

The previous prime is 121110212077. The next prime is 121110212207. The reversal of 121110212102 is 201212011121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731174 + ... + 881382.

It is an arithmetic number, because the mean of its divisors is an integer number (6297103620).

Almost surely, 2^121110212102 is an apocalyptic number.

121110212102 is a deficient number, since it is larger than the sum of its proper divisors (80397103738).

121110212102 is a wasteful number, since it uses less digits than its factorization.

121110212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150836.

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

Adding to 121110212102 its reverse (201212011121), we get a palindrome (322322223223).

The spelling of 121110212102 in words is "one hundred twenty-one billion, one hundred ten million, two hundred twelve thousand, one hundred two".