30420134202111 has 32 divisors (see below), whose sum is σ = 42314342203392. Its totient is φ = 19418018064480.

The previous prime is 30420134202079. The next prime is 30420134202163. The reversal of 30420134202111 is 11120243102403.

It is not a de Polignac number, because 30420134202111 - 2⁵ = 30420134202079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420134202181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1118955 + ... + 7879868.

It is an arithmetic number, because the mean of its divisors is an integer number (1322323193856).

Almost surely, 2^{30420134202111} is an apocalyptic number.

30420134202111 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30420134202111 is a deficient number, since it is larger than the sum of its proper divisors (11894208001281).

30420134202111 is a wasteful number, since it uses less digits than its factorization.

30420134202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999243.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 30420134202111 its reverse (11120243102403), we get a palindrome (41540377304514).

The spelling of 30420134202111 in words is "thirty trillion, four hundred twenty billion, one hundred thirty-four million, two hundred two thousand, one hundred eleven".