33012100001 has 4 divisors (see below), whose sum is σ = 33022110000. Its totient is φ = 33002090004.

The previous prime is 33012099997. The next prime is 33012100049. The reversal of 33012100001 is 10000121033.

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 a cyclic number.

It is not a de Polignac number, because 33012100001 - 2² = 33012099997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33012100081) 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, 5000051 + ... + 5006648.

It is an arithmetic number, because the mean of its divisors is an integer number (8255527500).

Almost surely, 2^33012100001 is an apocalyptic number.

It is an amenable number.

33012100001 is a deficient number, since it is larger than the sum of its proper divisors (10009999).

33012100001 is a wasteful number, since it uses less digits than its factorization.

33012100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10009998.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 33012100001 its reverse (10000121033), we get a palindrome (43012221034).

The spelling of 33012100001 in words is "thirty-three billion, twelve million, one hundred thousand, one".