121313110 has 16 divisors (see below), whose sum is σ = 223010496. Its totient is φ = 47492608.

The previous prime is 121313107. The next prime is 121313117. The reversal of 121313110 is 11313121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121313117) 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, 128587 + ... + 129526.

It is an arithmetic number, because the mean of its divisors is an integer number (13938156).

Almost surely, 2^121313110 is an apocalyptic number.

121313110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121313110 is a deficient number, since it is larger than the sum of its proper divisors (101697386).

121313110 is a wasteful number, since it uses less digits than its factorization.

121313110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258167.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 121313110 is about 11014.2230774576. The cubic root of 121313110 is about 495.0350075571.

Adding to 121313110 its reverse (11313121), we get a palindrome (132626231).

The spelling of 121313110 in words is "one hundred twenty-one million, three hundred thirteen thousand, one hundred ten".