1002011221112 has 48 divisors (see below), whose sum is σ = 2186571678480. Its totient is φ = 428667895040.

The previous prime is 1002011221073. The next prime is 1002011221151. The reversal of 1002011221112 is 2111221102001.

1002011221112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1002011221073) and next prime (1002011221151).

It is a super-2 number, since 2×1002011221112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30428708 + ... + 30461619.

It is an arithmetic number, because the mean of its divisors is an integer number (45553576635).

Almost surely, 2^{1002011221112} is an apocalyptic number.

It is an amenable number.

1002011221112 is an abundant number, since it is smaller than the sum of its proper divisors (1184560457368).

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

1002011221112 is a wasteful number, since it uses less digits than its factorization.

1002011221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60890372 (or 60890357 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1002011221112 its reverse (2111221102001), we get a palindrome (3113232323113).

The spelling of 1002011221112 in words is "one trillion, two billion, eleven million, two hundred twenty-one thousand, one hundred twelve".