33404122121 has 8 divisors (see below), whose sum is σ = 33897188640. Its totient is φ = 32914090368.

The previous prime is 33404122109. The next prime is 33404122159. The reversal of 33404122121 is 12122140433.

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 33404122121 - 2²² = 33399927817 is a prime.

It is a super-2 number, since 2×33404122121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33404122421) 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, 736511 + ... + 780548.

It is an arithmetic number, because the mean of its divisors is an integer number (4237148580).

Almost surely, 2^33404122121 is an apocalyptic number.

It is an amenable number.

33404122121 is a deficient number, since it is larger than the sum of its proper divisors (493066519).

33404122121 is a wasteful number, since it uses less digits than its factorization.

33404122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517383.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 33404122121 its reverse (12122140433), we get a palindrome (45526262554).

The spelling of 33404122121 in words is "thirty-three billion, four hundred four million, one hundred twenty-two thousand, one hundred twenty-one".