121313301300121 has 32 divisors (see below), whose sum is σ = 139135506167808. Its totient is φ = 103614878146560.

The previous prime is 121313301300109. The next prime is 121313301300133. The reversal of 121313301300121 is 121003103313121.

It is an interprime number because it is at equal distance from previous prime (121313301300109) and next prime (121313301300133).

It is a cyclic number.

It is not a de Polignac number, because 121313301300121 - 2⁹ = 121313301299609 is a prime.

It is a super-2 number, since 2×121313301300121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121313301300092 and 121313301300101.

It is not an unprimeable number, because it can be changed into a prime (121313301300101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4944890571 + ... + 4944915103.

It is an arithmetic number, because the mean of its divisors is an integer number (4347984567744).

Almost surely, 2^{121313301300121} is an apocalyptic number.

It is an amenable number.

121313301300121 is a deficient number, since it is larger than the sum of its proper divisors (17822204867687).

121313301300121 is a wasteful number, since it uses less digits than its factorization.

121313301300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27321.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 121313301300121 its reverse (121003103313121), we get a palindrome (242316404613242).

The spelling of 121313301300121 in words is "one hundred twenty-one trillion, three hundred thirteen billion, three hundred one million, three hundred thousand, one hundred twenty-one".