30420111203 has 2 divisors, whose sum is σ = 30420111204. Its totient is φ = 30420111202.

The previous prime is 30420111193. The next prime is 30420111209. The reversal of 30420111203 is 30211102403.

It is a strong prime.

It is an emirp because it is prime and its reverse (30211102403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30420111203 - 2²⁰ = 30419062627 is a prime.

It is a super-2 number, since 2×30420111203² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30420111209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210055601 + 15210055602.

It is an arithmetic number, because the mean of its divisors is an integer number (15210055602).

Almost surely, 2^30420111203 is an apocalyptic number.

30420111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420111203 is an equidigital number, since it uses as much as digits as its factorization.

30420111203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30420111203 its reverse (30211102403), we get a palindrome (60631213606).

The spelling of 30420111203 in words is "thirty billion, four hundred twenty million, one hundred eleven thousand, two hundred three".