30121202111701 has 2 divisors, whose sum is σ = 30121202111702. Its totient is φ = 30121202111700.

The previous prime is 30121202111669. The next prime is 30121202111723. The reversal of 30121202111701 is 10711120212103.

It is an a-pointer prime, because the next prime (30121202111723) can be obtained adding 30121202111701 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24099213719025 + 6021988392676 = 4909095^2 + 2453974^2 .

It is an emirp because it is prime and its reverse (10711120212103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30121202111701 - 2⁵ = 30121202111669 is a prime.

It is a super-2 number, since 2×30121202111701² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30121202111771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060601055850 + 15060601055851.

It is an arithmetic number, because the mean of its divisors is an integer number (15060601055851).

Almost surely, 2^{30121202111701} is an apocalyptic number.

It is an amenable number.

30121202111701 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121202111701 is an equidigital number, since it uses as much as digits as its factorization.

30121202111701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 30121202111701 its reverse (10711120212103), we get a palindrome (40832322323804).

The spelling of 30121202111701 in words is "thirty trillion, one hundred twenty-one billion, two hundred two million, one hundred eleven thousand, seven hundred one".