33501320121 has 8 divisors (see below), whose sum is σ = 44669348064. Its totient is φ = 22333752800.

The previous prime is 33501320093. The next prime is 33501320131. The reversal of 33501320121 is 12102310533.

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 33501320121 - 2²¹ = 33499222969 is a prime.

It is a super-2 number, since 2×33501320121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33501320131) 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, 127750 + ... + 288656.

It is an arithmetic number, because the mean of its divisors is an integer number (5583668508).

Almost surely, 2^33501320121 is an apocalyptic number.

It is an amenable number.

33501320121 is a deficient number, since it is larger than the sum of its proper divisors (11168027943).

33501320121 is a wasteful number, since it uses less digits than its factorization.

33501320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230311.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 33501320121 its reverse (12102310533), we get a palindrome (45603630654).

The spelling of 33501320121 in words is "thirty-three billion, five hundred one million, three hundred twenty thousand, one hundred twenty-one".