30221320021043 has 2 divisors, whose sum is σ = 30221320021044. Its totient is φ = 30221320021042.

The previous prime is 30221320020973. The next prime is 30221320021117. The reversal of 30221320021043 is 34012002312203.

It is a weak prime.

It is an emirp because it is prime and its reverse (34012002312203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30221320021043 - 2¹⁸ = 30221319758899 is a prime.

It is not a weakly prime, because it can be changed into another prime (30221320021843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110660010521 + 15110660010522.

It is an arithmetic number, because the mean of its divisors is an integer number (15110660010522).

Almost surely, 2^{30221320021043} is an apocalyptic number.

30221320021043 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221320021043 is an equidigital number, since it uses as much as digits as its factorization.

30221320021043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30221320021043 its reverse (34012002312203), we get a palindrome (64233322333246).

The spelling of 30221320021043 in words is "thirty trillion, two hundred twenty-one billion, three hundred twenty million, twenty-one thousand, forty-three".