121021262424313 has 8 divisors (see below), whose sum is σ = 121545688984200. Its totient is φ = 120496878787968.

The previous prime is 121021262424301. The next prime is 121021262424331. The reversal of 121021262424313 is 313424262120121.

It can be written as a sum of positive squares in 4 ways, for example, as 389635627264 + 120631626797049 = 624208^2 + 10983243^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121021262424313 is a prime.

It is a super-2 number, since 2×121021262424313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121021262424383) 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, 5073298 + ... + 16364011.

It is an arithmetic number, because the mean of its divisors is an integer number (15193211123025).

Almost surely, 2^{121021262424313} is an apocalyptic number.

It is an amenable number.

121021262424313 is a deficient number, since it is larger than the sum of its proper divisors (524426559887).

121021262424313 is a wasteful number, since it uses less digits than its factorization.

121021262424313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21461771.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 121021262424313 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred sixty-two million, four hundred twenty-four thousand, three hundred thirteen".