30022201081 has 2 divisors, whose sum is σ = 30022201082. Its totient is φ = 30022201080.

The previous prime is 30022201073. The next prime is 30022201141. The reversal of 30022201081 is 18010222003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20253843856 + 9768357225 = 142316^2 + 98835^2 .

It is a cyclic number.

It is not a de Polignac number, because 30022201081 - 2³ = 30022201073 is a prime.

It is a super-2 number, since 2×30022201081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30022201031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011100540 + 15011100541.

It is an arithmetic number, because the mean of its divisors is an integer number (15011100541).

Almost surely, 2^30022201081 is an apocalyptic number.

It is an amenable number.

30022201081 is a deficient number, since it is larger than the sum of its proper divisors (1).

30022201081 is an equidigital number, since it uses as much as digits as its factorization.

30022201081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 30022201081 its reverse (18010222003), we get a palindrome (48032423084).

The spelling of 30022201081 in words is "thirty billion, twenty-two million, two hundred one thousand, eighty-one".