30203020311121 has 32 divisors (see below), whose sum is σ = 35643498992640. Its totient is φ = 25057691283456.

The previous prime is 30203020311097. The next prime is 30203020311131. The reversal of 30203020311121 is 12111302030203.

It is a cyclic number.

It is not a de Polignac number, because 30203020311121 - 2¹⁹ = 30203019786833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30203020311131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35245675 + ... + 36092431.

It is an arithmetic number, because the mean of its divisors is an integer number (1113859343520).

Almost surely, 2^{30203020311121} is an apocalyptic number.

It is an amenable number.

30203020311121 is a deficient number, since it is larger than the sum of its proper divisors (5440478681519).

30203020311121 is a wasteful number, since it uses less digits than its factorization.

30203020311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848113.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30203020311121 its reverse (12111302030203), we get a palindrome (42314322341324).

The spelling of 30203020311121 in words is "thirty trillion, two hundred three billion, twenty million, three hundred eleven thousand, one hundred twenty-one".