1002211211112 has 16 divisors (see below), whose sum is σ = 2505528027840. Its totient is φ = 334070403696.

The previous prime is 1002211211107. The next prime is 1002211211137. The reversal of 1002211211112 is 2111121122001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002211211091 and 1002211211100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20879400208 + ... + 20879400255.

It is an arithmetic number, because the mean of its divisors is an integer number (156595501740).

Almost surely, 2^{1002211211112} is an apocalyptic number.

1002211211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002211211112 is an abundant number, since it is smaller than the sum of its proper divisors (1503316816728).

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

1002211211112 is a wasteful number, since it uses less digits than its factorization.

1002211211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41758800472 (or 41758800468 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1002211211112 its reverse (2111121122001), we get a palindrome (3113332333113).

The spelling of 1002211211112 in words is "one trillion, two billion, two hundred eleven million, two hundred eleven thousand, one hundred twelve".