30111120020242 has 4 divisors (see below), whose sum is σ = 45166680030366. Its totient is φ = 15055560010120.

The previous prime is 30111120020239. The next prime is 30111120020297. The reversal of 30111120020242 is 24202002111103.

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., 23247354045601 + 6863765974641 = 4821551^2 + 2619879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7527780005059 + ... + 7527780005062.

Almost surely, 2^{30111120020242} is an apocalyptic number.

30111120020242 is a deficient number, since it is larger than the sum of its proper divisors (15055560010124).

30111120020242 is a wasteful number, since it uses less digits than its factorization.

30111120020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15055560010123.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 30111120020242 its reverse (24202002111103), we get a palindrome (54313122131345).

The spelling of 30111120020242 in words is "thirty trillion, one hundred eleven billion, one hundred twenty million, twenty thousand, two hundred forty-two".