121306242110 has 16 divisors (see below), whose sum is σ = 218491322400. Its totient is φ = 48491366496.

The previous prime is 121306242107. The next prime is 121306242119. The reversal of 121306242110 is 11242603121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121306242119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3874925 + ... + 3906104.

It is an arithmetic number, because the mean of its divisors is an integer number (13655707650).

Almost surely, 2^121306242110 is an apocalyptic number.

121306242110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121306242110 is a deficient number, since it is larger than the sum of its proper divisors (97185080290).

121306242110 is a wasteful number, since it uses less digits than its factorization.

121306242110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782595.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121306242110 its reverse (11242603121), we get a palindrome (132548845231).

The spelling of 121306242110 in words is "one hundred twenty-one billion, three hundred six million, two hundred forty-two thousand, one hundred ten".