30100011221 has 8 divisors (see below), whose sum is σ = 34420345344. Its totient is φ = 25784760240.

The previous prime is 30100011211. The next prime is 30100011241. The reversal of 30100011221 is 12211000103.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30100011221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30100011211) 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, 1258085 + ... + 1281786.

It is an arithmetic number, because the mean of its divisors is an integer number (4302543168).

Almost surely, 2^30100011221 is an apocalyptic number.

It is an amenable number.

30100011221 is a deficient number, since it is larger than the sum of its proper divisors (4320334123).

30100011221 is a wasteful number, since it uses less digits than its factorization.

30100011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541571.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 30100011221 its reverse (12211000103), we get a palindrome (42311011324).

The spelling of 30100011221 in words is "thirty billion, one hundred million, eleven thousand, two hundred twenty-one".