33121120411213 has 8 divisors (see below), whose sum is σ = 34566234680448. Its totient is φ = 31676428271664.

The previous prime is 33121120411177. The next prime is 33121120411321. The reversal of 33121120411213 is 31211402112133.

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 33121120411213 - 2¹⁷ = 33121120280141 is a prime.

It is a super-2 number, since 2×33121120411213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33121120411913) 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, 105372070 + ... + 105685927.

It is an arithmetic number, because the mean of its divisors is an integer number (4320779335056).

Almost surely, 2^{33121120411213} is an apocalyptic number.

It is an amenable number.

33121120411213 is a deficient number, since it is larger than the sum of its proper divisors (1445114269235).

33121120411213 is a wasteful number, since it uses less digits than its factorization.

33121120411213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211064843.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 33121120411213 its reverse (31211402112133), we get a palindrome (64332522523346).

The spelling of 33121120411213 in words is "thirty-three trillion, one hundred twenty-one billion, one hundred twenty million, four hundred eleven thousand, two hundred thirteen".