30110220061 has 2 divisors, whose sum is σ = 30110220062. Its totient is φ = 30110220060.

The previous prime is 30110220043. The next prime is 30110220083. The reversal of 30110220061 is 16002201103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26538364836 + 3571855225 = 162906^2 + 59765^2 .

It is a cyclic number.

It is not a de Polignac number, because 30110220061 - 2⁵ = 30110220029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30110220001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055110030 + 15055110031.

It is an arithmetic number, because the mean of its divisors is an integer number (15055110031).

Almost surely, 2^30110220061 is an apocalyptic number.

It is an amenable number.

30110220061 is a deficient number, since it is larger than the sum of its proper divisors (1).

30110220061 is an equidigital number, since it uses as much as digits as its factorization.

30110220061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30110220061 its reverse (16002201103), we get a palindrome (46112421164).

The spelling of 30110220061 in words is "thirty billion, one hundred ten million, two hundred twenty thousand, sixty-one".