121100102220110 has 48 divisors (see below), whose sum is σ = 236078088526800. Its totient is φ = 44706235541760.

The previous prime is 121100102220109. The next prime is 121100102220133. The reversal of 121100102220110 is 11022201001121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3759245 + ... + 16010375.

It is an arithmetic number, because the mean of its divisors is an integer number (4918293510975).

Almost surely, 2^{121100102220110} is an apocalyptic number.

121100102220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100102220110 is a deficient number, since it is larger than the sum of its proper divisors (114977986306690).

121100102220110 is a wasteful number, since it uses less digits than its factorization.

121100102220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12257013 (or 12257000 counting only the distinct ones).

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

Adding to 121100102220110 its reverse (11022201001121), we get a palindrome (132122303221231).

The spelling of 121100102220110 in words is "one hundred twenty-one trillion, one hundred billion, one hundred two million, two hundred twenty thousand, one hundred ten".