1020303111112 has 32 divisors (see below), whose sum is σ = 1920944299320. Its totient is φ = 508052193280.

The previous prime is 1020303111059. The next prime is 1020303111119. The reversal of 1020303111112 is 2111113030201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 785091690916 + 235211420196 = 886054^2 + 484986^2 .

It is not an unprimeable number, because it can be changed into a prime (1020303111119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9480162 + ... + 9587182.

Almost surely, 2^{1020303111112} is an apocalyptic number.

It is an amenable number.

1020303111112 is a deficient number, since it is larger than the sum of its proper divisors (900641188208).

1020303111112 is a wasteful number, since it uses less digits than its factorization.

1020303111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111921 (or 111917 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1020303111112 its reverse (2111113030201), we get a palindrome (3131416141313).

The spelling of 1020303111112 in words is "one trillion, twenty billion, three hundred three million, one hundred eleven thousand, one hundred twelve".