30221201120129 has 2 divisors, whose sum is σ = 30221201120130. Its totient is φ = 30221201120128.

The previous prime is 30221201120111. The next prime is 30221201120153. The reversal of 30221201120129 is 92102110212203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19945022020225 + 10276179099904 = 4465985^2 + 3205648^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221201120129 - 2³² = 30216906152833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30221201120098 and 30221201120107.

It is not a weakly prime, because it can be changed into another prime (30221201120629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110600560064 + 15110600560065.

It is an arithmetic number, because the mean of its divisors is an integer number (15110600560065).

Almost surely, 2^{30221201120129} is an apocalyptic number.

It is an amenable number.

30221201120129 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221201120129 is an equidigital number, since it uses as much as digits as its factorization.

30221201120129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 30221201120129 in words is "thirty trillion, two hundred twenty-one billion, two hundred one million, one hundred twenty thousand, one hundred twenty-nine".