122121110313 has 48 divisors (see below), whose sum is σ = 184145969280. Its totient is φ = 77913715968.

The previous prime is 122121110311. The next prime is 122121110317. The reversal of 122121110313 is 313011121221.

122121110313 is a `hidden beast` number, since 1 + 221 + 21 + 110 + 313 = 666.

It is not a de Polignac number, because 122121110313 - 2¹ = 122121110311 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122121110311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16216333 + ... + 16223861.

It is an arithmetic number, because the mean of its divisors is an integer number (3836374360).

Almost surely, 2^122121110313 is an apocalyptic number.

It is an amenable number.

122121110313 is a deficient number, since it is larger than the sum of its proper divisors (62024858967).

122121110313 is a wasteful number, since it uses less digits than its factorization.

122121110313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8366 (or 8363 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 122121110313 its reverse (313011121221), we get a palindrome (435132231534).

The spelling of 122121110313 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred ten thousand, three hundred thirteen".