13121021031333 has 16 divisors (see below), whose sum is σ = 18693737472960. Its totient is φ = 8157267254016.

The previous prime is 13121021031281. The next prime is 13121021031347. The reversal of 13121021031333 is 33313012012131.

It is not a de Polignac number, because 13121021031333 - 2¹⁶ = 13121020965797 is a prime.

It is a super-2 number, since 2×13121021031333² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121011031333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180154635 + ... + 1180165752.

It is an arithmetic number, because the mean of its divisors is an integer number (1168358592060).

Almost surely, 2^{13121021031333} is an apocalyptic number.

It is an amenable number.

13121021031333 is a deficient number, since it is larger than the sum of its proper divisors (5572716441627).

13121021031333 is a wasteful number, since it uses less digits than its factorization.

13121021031333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360320516.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13121021031333 its reverse (33313012012131), we get a palindrome (46434033043464).

The spelling of 13121021031333 in words is "thirteen trillion, one hundred twenty-one billion, twenty-one million, thirty-one thousand, three hundred thirty-three".