33001022020001 has 4 divisors (see below), whose sum is σ = 37715453737152. Its totient is φ = 28286590302852.

The previous prime is 33001022019997. The next prime is 33001022020061. The reversal of 33001022020001 is 10002022010033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 33001022020001 - 2² = 33001022019997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33001022020061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357215858565 + ... + 2357215858578.

It is an arithmetic number, because the mean of its divisors is an integer number (9428863434288).

Almost surely, 2^{33001022020001} is an apocalyptic number.

It is an amenable number.

33001022020001 is a deficient number, since it is larger than the sum of its proper divisors (4714431717151).

33001022020001 is an equidigital number, since it uses as much as digits as its factorization.

33001022020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714431717150.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 33001022020001 its reverse (10002022010033), we get a palindrome (43003044030034).

The spelling of 33001022020001 in words is "thirty-three trillion, one billion, twenty-two million, twenty thousand, one".