33331220020101 has 4 divisors (see below), whose sum is σ = 44441626693472. Its totient is φ = 22220813346732.

The previous prime is 33331220020097. The next prime is 33331220020159. The reversal of 33331220020101 is 10102002213333.

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 33331220020101 - 2² = 33331220020097 is a prime.

It is a super-2 number, since 2×33331220020101² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33331220020201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555203336681 + ... + 5555203336686.

It is an arithmetic number, because the mean of its divisors is an integer number (11110406673368).

Almost surely, 2^{33331220020101} is an apocalyptic number.

It is an amenable number.

33331220020101 is a deficient number, since it is larger than the sum of its proper divisors (11110406673371).

33331220020101 is a wasteful number, since it uses less digits than its factorization.

33331220020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110406673370.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33331220020101 its reverse (10102002213333), we get a palindrome (43433222233434).

The spelling of 33331220020101 in words is "thirty-three trillion, three hundred thirty-one billion, two hundred twenty million, twenty thousand, one hundred one".