10021000111112 has 32 divisors (see below), whose sum is σ = 18984222972120. Its totient is φ = 4958546872320.

The previous prime is 10021000111103. The next prime is 10021000111151. The reversal of 10021000111112 is 21111100012001.

It can be written as a sum of positive squares in 4 ways, for example, as 9999976851076 + 21023260036 = 3162274^2 + 144994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10021000111093 and 10021000111102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12797018 + ... + 13557494.

Almost surely, 2^{10021000111112} is an apocalyptic number.

It is an amenable number.

10021000111112 is a deficient number, since it is larger than the sum of its proper divisors (8963222861008).

10021000111112 is a wasteful number, since it uses less digits than its factorization.

10021000111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777561 (or 777557 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10021000111112 its reverse (21111100012001), we get a palindrome (31132100123113).

The spelling of 10021000111112 in words is "ten trillion, twenty-one billion, one hundred eleven thousand, one hundred twelve".