13121202133311 has 64 divisors (see below), whose sum is σ = 17805059950080. Its totient is φ = 8594438307840.

The previous prime is 13121202133301. The next prime is 13121202133331. The reversal of 13121202133311 is 11333120212131.

It is not a de Polignac number, because 13121202133311 - 2¹⁰ = 13121202132287 is a prime.

It is a super-3 number, since 3×13121202133311³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121202133301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12274276485 + ... + 12274277553.

It is an arithmetic number, because the mean of its divisors is an integer number (278204061720).

Almost surely, 2^{13121202133311} is an apocalyptic number.

13121202133311 is a deficient number, since it is larger than the sum of its proper divisors (4683857816769).

13121202133311 is a wasteful number, since it uses less digits than its factorization.

13121202133311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13121202133311 its reverse (11333120212131), we get a palindrome (24454322345442).

The spelling of 13121202133311 in words is "thirteen trillion, one hundred twenty-one billion, two hundred two million, one hundred thirty-three thousand, three hundred eleven".