33010100221 has 8 divisors (see below), whose sum is σ = 38288901440. Its totient is φ = 27872067168.

The previous prime is 33010100203. The next prime is 33010100231. The reversal of 33010100221 is 12200101033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33010100221 - 2¹⁷ = 33009969149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33010100231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35191536 + ... + 35192473.

It is an arithmetic number, because the mean of its divisors is an integer number (4786112680).

Almost surely, 2^33010100221 is an apocalyptic number.

It is an amenable number.

33010100221 is a deficient number, since it is larger than the sum of its proper divisors (5278801219).

33010100221 is an equidigital number, since it uses as much as digits as its factorization.

33010100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70384083.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 33010100221 its reverse (12200101033), we get a palindrome (45210201254).

The spelling of 33010100221 in words is "thirty-three billion, ten million, one hundred thousand, two hundred twenty-one".