30221021101 has 2 divisors, whose sum is σ = 30221021102. Its totient is φ = 30221021100.

The previous prime is 30221021071. The next prime is 30221021107. The reversal of 30221021101 is 10112012203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21912880900 + 8308140201 = 148030^2 + 91149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30221021101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30221021107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110510550 + 15110510551.

It is an arithmetic number, because the mean of its divisors is an integer number (15110510551).

Almost surely, 2^30221021101 is an apocalyptic number.

It is an amenable number.

30221021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221021101 is an equidigital number, since it uses as much as digits as its factorization.

30221021101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 30221021101 its reverse (10112012203), we get a palindrome (40333033304).

It can be divided in two parts, 3022102 and 1101, that added together give a palindrome (3023203).

The spelling of 30221021101 in words is "thirty billion, two hundred twenty-one million, twenty-one thousand, one hundred one".