30044141221 has 2 divisors, whose sum is σ = 30044141222. Its totient is φ = 30044141220.

The previous prime is 30044141219. The next prime is 30044141251. The reversal of 30044141221 is 12214144003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18339930625 + 11704210596 = 135425^2 + 108186^2 .

It is a cyclic number.

It is not a de Polignac number, because 30044141221 - 2¹ = 30044141219 is a prime.

Together with 30044141219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30044141192 and 30044141201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30044141251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15022070610 + 15022070611.

It is an arithmetic number, because the mean of its divisors is an integer number (15022070611).

Almost surely, 2^30044141221 is an apocalyptic number.

It is an amenable number.

30044141221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30044141221 is an equidigital number, since it uses as much as digits as its factorization.

30044141221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 30044141221 its reverse (12214144003), we get a palindrome (42258285224).

The spelling of 30044141221 in words is "thirty billion, forty-four million, one hundred forty-one thousand, two hundred twenty-one".