30001011120281 has 2 divisors, whose sum is σ = 30001011120282. Its totient is φ = 30001011120280.

The previous prime is 30001011120191. The next prime is 30001011120287. The reversal of 30001011120281 is 18202111010003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28973017910281 + 1027993210000 = 5382659^2 + 1013900^2 .

It is an emirp because it is prime and its reverse (18202111010003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30001011120281 - 2¹⁴ = 30001011103897 is a prime.

It is a super-2 number, since 2×30001011120281² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30001011120287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000505560140 + 15000505560141.

It is an arithmetic number, because the mean of its divisors is an integer number (15000505560141).

Almost surely, 2^{30001011120281} is an apocalyptic number.

It is an amenable number.

30001011120281 is a deficient number, since it is larger than the sum of its proper divisors (1).

30001011120281 is an equidigital number, since it uses as much as digits as its factorization.

30001011120281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 30001011120281 its reverse (18202111010003), we get a palindrome (48203122130284).

The spelling of 30001011120281 in words is "thirty trillion, one billion, eleven million, one hundred twenty thousand, two hundred eighty-one".