33103213121 has 8 divisors (see below), whose sum is σ = 36113983488. Its totient is φ = 30092674000.

The previous prime is 33103213097. The next prime is 33103213133. The reversal of 33103213121 is 12131230133.

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 33103213121 - 2⁶ = 33103213057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33103213093 and 33103213102.

It is not an unprimeable number, because it can be changed into a prime (33103213621) 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, 397376 + ... + 473406.

It is an arithmetic number, because the mean of its divisors is an integer number (4514247936).

Almost surely, 2^33103213121 is an apocalyptic number.

It is an amenable number.

33103213121 is a deficient number, since it is larger than the sum of its proper divisors (3010770367).

33103213121 is a wasteful number, since it uses less digits than its factorization.

33103213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115623.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 33103213121 its reverse (12131230133), we get a palindrome (45234443254).

The spelling of 33103213121 in words is "thirty-three billion, one hundred three million, two hundred thirteen thousand, one hundred twenty-one".