33121113212131 has 8 divisors (see below), whose sum is σ = 39844948225280. Its totient is φ = 26895340051848.

The previous prime is 33121113212119. The next prime is 33121113212191. The reversal of 33121113212131 is 13121231112133.

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 33121113212131 - 2⁷ = 33121113212003 is a prime.

It is a super-2 number, since 2×33121113212131² (a number of 28 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 = 33121113212096 and 33121113212105.

It is not an unprimeable number, because it can be changed into a prime (33121113212191) 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, 124515463071 + ... + 124515463336.

It is an arithmetic number, because the mean of its divisors is an integer number (4980618528160).

Almost surely, 2^{33121113212131} is an apocalyptic number.

33121113212131 is a deficient number, since it is larger than the sum of its proper divisors (6723835013149).

33121113212131 is a wasteful number, since it uses less digits than its factorization.

33121113212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249030926433.

The product of its digits is 648, while the sum is 25.

Adding to 33121113212131 its reverse (13121231112133), we get a palindrome (46242344324264).

The spelling of 33121113212131 in words is "thirty-three trillion, one hundred twenty-one billion, one hundred thirteen million, two hundred twelve thousand, one hundred thirty-one".