30550222111421 has 2 divisors, whose sum is σ = 30550222111422. Its totient is φ = 30550222111420.

The previous prime is 30550222111403. The next prime is 30550222111469. The reversal of 30550222111421 is 12411122205503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25550861505796 + 4999360605625 = 5054786^2 + 2235925^2 .

It is a cyclic number.

It is not a de Polignac number, because 30550222111421 - 2¹⁴ = 30550222095037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30550222111021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15275111055710 + 15275111055711.

It is an arithmetic number, because the mean of its divisors is an integer number (15275111055711).

Almost surely, 2^{30550222111421} is an apocalyptic number.

It is an amenable number.

30550222111421 is a deficient number, since it is larger than the sum of its proper divisors (1).

30550222111421 is an equidigital number, since it uses as much as digits as its factorization.

30550222111421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 30550222111421 its reverse (12411122205503), we get a palindrome (42961344316924).

The spelling of 30550222111421 in words is "thirty trillion, five hundred fifty billion, two hundred twenty-two million, one hundred eleven thousand, four hundred twenty-one".