121112102210102 has 48 divisors (see below), whose sum is σ = 188323597666512. Its totient is φ = 58384256898240.

The previous prime is 121112102210089. The next prime is 121112102210161. The reversal of 121112102210102 is 201012201211121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2286963008 + ... + 2287015964.

It is an arithmetic number, because the mean of its divisors is an integer number (3923408284719).

Almost surely, 2^{121112102210102} is an apocalyptic number.

121112102210102 is a deficient number, since it is larger than the sum of its proper divisors (67211495456410).

121112102210102 is an equidigital number, since it uses as much as digits as its factorization.

121112102210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57421 (or 57342 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121112102210102 its reverse (201012201211121), we get a palindrome (322124303421223).

The spelling of 121112102210102 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred two million, two hundred ten thousand, one hundred two".