33010220121 has 16 divisors (see below), whose sum is σ = 44094926400. Its totient is φ = 21966199488.

The previous prime is 33010220051. The next prime is 33010220153. The reversal of 33010220121 is 12102201033.

It is not a de Polignac number, because 33010220121 - 2¹⁰ = 33010219097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33010220121.

It is not an unprimeable number, because it can be changed into a prime (33010227121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5709210 + ... + 5714988.

It is an arithmetic number, because the mean of its divisors is an integer number (2755932900).

Almost surely, 2^33010220121 is an apocalyptic number.

It is an amenable number.

33010220121 is a deficient number, since it is larger than the sum of its proper divisors (11084706279).

33010220121 is a wasteful number, since it uses less digits than its factorization.

33010220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8968.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 33010220121 its reverse (12102201033), we get a palindrome (45112421154).

The spelling of 33010220121 in words is "thirty-three billion, ten million, two hundred twenty thousand, one hundred twenty-one".