30301220101 has 2 divisors, whose sum is σ = 30301220102. Its totient is φ = 30301220100.

The previous prime is 30301220039. The next prime is 30301220107. The reversal of 30301220101 is 10102210303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19265717601 + 11035502500 = 138801^2 + 105050^2 .

It is a cyclic number.

It is not a de Polignac number, because 30301220101 - 2²¹ = 30299122949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30301220107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150610050 + 15150610051.

It is an arithmetic number, because the mean of its divisors is an integer number (15150610051).

Almost surely, 2^30301220101 is an apocalyptic number.

It is an amenable number.

30301220101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30301220101 is an equidigital number, since it uses as much as digits as its factorization.

30301220101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30301220101 its reverse (10102210303), we get a palindrome (40403430404).

The spelling of 30301220101 in words is "thirty billion, three hundred one million, two hundred twenty thousand, one hundred one".