121120112102 has 24 divisors (see below), whose sum is σ = 203465945088. Its totient is φ = 54015824720.

The previous prime is 121120112077. The next prime is 121120112137. The reversal of 121120112102 is 201211021121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4708838 + ... + 4734489.

It is an arithmetic number, because the mean of its divisors is an integer number (8477747712).

Almost surely, 2^121120112102 is an apocalyptic number.

121120112102 is a deficient number, since it is larger than the sum of its proper divisors (82345832986).

121120112102 is a wasteful number, since it uses less digits than its factorization.

121120112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9443404 (or 9443393 counting only the distinct ones).

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

Adding to 121120112102 its reverse (201211021121), we get a palindrome (322331133223).

The spelling of 121120112102 in words is "one hundred twenty-one billion, one hundred twenty million, one hundred twelve thousand, one hundred two".