121011313 has 8 divisors (see below), whose sum is σ = 123002208. Its totient is φ = 119025984.

The previous prime is 121011311. The next prime is 121011353. The reversal of 121011313 is 313110121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121011313 - 2¹ = 121011311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121011293 and 121011302.

It is not an unprimeable number, because it can be changed into a prime (121011311) 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, 77145 + ... + 78697.

It is an arithmetic number, because the mean of its divisors is an integer number (15375276).

Almost surely, 2^121011313 is an apocalyptic number.

It is an amenable number.

121011313 is a deficient number, since it is larger than the sum of its proper divisors (1990895).

121011313 is a wasteful number, since it uses less digits than its factorization.

121011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783.

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

The square root of 121011313 is about 11000.5142152538. The cubic root of 121011313 is about 494.6241584691.

Adding to 121011313 its reverse (313110121), we get a palindrome (434121434).

The spelling of 121011313 in words is "one hundred twenty-one million, eleven thousand, three hundred thirteen".