33100023030221 has 24 divisors (see below), whose sum is σ = 39782779122240. Its totient is φ = 26962683414912.

The previous prime is 33100023030169. The next prime is 33100023030257. The reversal of 33100023030221 is 12203032000133.

It is not a de Polignac number, because 33100023030221 - 2¹⁰ = 33100023029197 is a prime.

It is a super-2 number, since 2×33100023030221² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33100023030193 and 33100023030202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33100023030521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39751136 + ... + 40575273.

It is an arithmetic number, because the mean of its divisors is an integer number (1657615796760).

Almost surely, 2^{33100023030221} is an apocalyptic number.

It is an amenable number.

33100023030221 is a deficient number, since it is larger than the sum of its proper divisors (6682756092019).

33100023030221 is an equidigital number, since it uses as much as digits as its factorization.

33100023030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80326533 (or 80326496 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33100023030221 its reverse (12203032000133), we get a palindrome (45303055030354).

The spelling of 33100023030221 in words is "thirty-three trillion, one hundred billion, twenty-three million, thirty thousand, two hundred twenty-one".