1002111220112 has 20 divisors (see below), whose sum is σ = 1941803269836. Its totient is φ = 501000698880.

The previous prime is 1002111220069. The next prime is 1002111220133. The reversal of 1002111220112 is 2110221112001.

It can be written as a sum of positive squares in 2 ways, for example, as 141342913936 + 860768306176 = 375956^2 + 927776^2 .

It is a super-2 number, since 2×1002111220112² (a number of 25 digits) contains 22 as substring.

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, 3281189 + ... + 3573572.

Almost surely, 2^{1002111220112} is an apocalyptic number.

It is an amenable number.

1002111220112 is a deficient number, since it is larger than the sum of its proper divisors (939692049724).

1002111220112 is an equidigital number, since it uses as much as digits as its factorization.

1002111220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6863906 (or 6863900 counting only the distinct ones).

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

Adding to 1002111220112 its reverse (2110221112001), we get a palindrome (3112332332113).

The spelling of 1002111220112 in words is "one trillion, two billion, one hundred eleven million, two hundred twenty thousand, one hundred twelve".