30203020311122 has 4 divisors (see below), whose sum is σ = 45304530466686. Its totient is φ = 15101510155560.

The previous prime is 30203020311097. The next prime is 30203020311131. The reversal of 30203020311122 is 22111302030203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15401064487561 + 14801955823561 = 3924419^2 + 3847331^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30203020311094 and 30203020311103.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7550755077779 + ... + 7550755077782.

Almost surely, 2^{30203020311122} is an apocalyptic number.

30203020311122 is a deficient number, since it is larger than the sum of its proper divisors (15101510155564).

30203020311122 is a wasteful number, since it uses less digits than its factorization.

30203020311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15101510155563.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30203020311122 its reverse (22111302030203), we get a palindrome (52314322341325).

The spelling of 30203020311122 in words is "thirty trillion, two hundred three billion, twenty million, three hundred eleven thousand, one hundred twenty-two".