30221132197253 has 2 divisors, whose sum is σ = 30221132197254. Its totient is φ = 30221132197252.

The previous prime is 30221132197183. The next prime is 30221132197307. The reversal of 30221132197253 is 35279123112203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27547361079364 + 2673771117889 = 5248558^2 + 1635167^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221132197253 - 2¹⁸ = 30221131935109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30221132197253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30221132197153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110566098626 + 15110566098627.

It is an arithmetic number, because the mean of its divisors is an integer number (15110566098627).

Almost surely, 2^{30221132197253} is an apocalyptic number.

It is an amenable number.

30221132197253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221132197253 is an equidigital number, since it uses as much as digits as its factorization.

30221132197253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 30221132197253 in words is "thirty trillion, two hundred twenty-one billion, one hundred thirty-two million, one hundred ninety-seven thousand, two hundred fifty-three".