30033221101 has 4 divisors (see below), whose sum is σ = 32343468892. Its totient is φ = 27722973312.

The previous prime is 30033221047. The next prime is 30033221111. The reversal of 30033221101 is 10112233003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9900449001 + 20132772100 = 99501^2 + 141890^2 .

It is a cyclic number.

It is not a de Polignac number, because 30033221101 - 2²⁷ = 29899003373 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 (30033221111) 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, 1155123876 + ... + 1155123901.

It is an arithmetic number, because the mean of its divisors is an integer number (8085867223).

Almost surely, 2^30033221101 is an apocalyptic number.

It is an amenable number.

30033221101 is a deficient number, since it is larger than the sum of its proper divisors (2310247791).

30033221101 is a wasteful number, since it uses less digits than its factorization.

30033221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310247790.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30033221101 its reverse (10112233003), we get a palindrome (40145454104).

The spelling of 30033221101 in words is "thirty billion, thirty-three million, two hundred twenty-one thousand, one hundred one".