121010313 has 16 divisors (see below), whose sum is σ = 167431040. Its totient is φ = 77677056.

The previous prime is 121010303. The next prime is 121010321. The reversal of 121010313 is 313010121.

It is not a de Polignac number, because 121010313 - 2¹⁰ = 121009289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5148 + ... + 16386.

It is an arithmetic number, because the mean of its divisors is an integer number (10464440).

Almost surely, 2^121010313 is an apocalyptic number.

It is an amenable number.

121010313 is a deficient number, since it is larger than the sum of its proper divisors (46420727).

121010313 is a wasteful number, since it uses less digits than its factorization.

121010313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11376.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 121010313 is about 11000.4687627392. The cubic root of 121010313 is about 494.6227959917.

Adding to 121010313 its reverse (313010121), we get a palindrome (434020434).

The spelling of 121010313 in words is "one hundred twenty-one million, ten thousand, three hundred thirteen".