1002011020112 has 40 divisors (see below), whose sum is σ = 1989077199840. Its totient is φ = 488806398080.

The previous prime is 1002011020091. The next prime is 1002011020117. The reversal of 1002011020112 is 2110201102001.

It is a junction number, because it is equal to n+sod(n) for n = 1002011020093 and 1002011020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002011020117) by changing a digit.

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, 3148814 + ... + 3452397.

It is an arithmetic number, because the mean of its divisors is an integer number (49726929996).

Almost surely, 2^{1002011020112} is an apocalyptic number.

It is an amenable number.

1002011020112 is a deficient number, since it is larger than the sum of its proper divisors (987066179728).

1002011020112 is a wasteful number, since it uses less digits than its factorization.

1002011020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601451 (or 6601445 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1002011020112 its reverse (2110201102001), we get a palindrome (3112212122113).

The spelling of 1002011020112 in words is "one trillion, two billion, eleven million, twenty thousand, one hundred twelve".