1002020112112 has 20 divisors (see below), whose sum is σ = 2055614789376. Its totient is φ = 471538876160.

The previous prime is 1002020112101. The next prime is 1002020112143. The reversal of 1002020112112 is 2112110202001.

It is a junction number, because it is equal to n+sod(n) for n = 1002020112092 and 1002020112101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1841948464 + ... + 1841949007.

Almost surely, 2^{1002020112112} is an apocalyptic number.

It is an amenable number.

1002020112112 is an abundant number, since it is smaller than the sum of its proper divisors (1053594677264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002020112112 is a wasteful number, since it uses less digits than its factorization.

1002020112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683897496 (or 3683897490 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002020112112 its reverse (2112110202001), we get a palindrome (3114130314113).

The spelling of 1002020112112 in words is "one trillion, two billion, twenty million, one hundred twelve thousand, one hundred twelve".