30020122511 has 2 divisors, whose sum is σ = 30020122512. Its totient is φ = 30020122510.

The previous prime is 30020122501. The next prime is 30020122579. The reversal of 30020122511 is 11522102003.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30020122511 - 2²² = 30015928207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30020122511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020122501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010061255 + 15010061256.

It is an arithmetic number, because the mean of its divisors is an integer number (15010061256).

Almost surely, 2^30020122511 is an apocalyptic number.

30020122511 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020122511 is an equidigital number, since it uses as much as digits as its factorization.

30020122511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 30020122511 its reverse (11522102003), we get a palindrome (41542224514).

The spelling of 30020122511 in words is "thirty billion, twenty million, one hundred twenty-two thousand, five hundred eleven".