1002111210112 has 32 divisors (see below), whose sum is σ = 2045085959700. Its totient is φ = 488834734080.

The previous prime is 1002111209947. The next prime is 1002111210137. The reversal of 1002111210112 is 2110121112001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 995317494336 + 6793715776 = 997656^2 + 82424^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1002111210112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002111210092 and 1002111210101.

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, 95470287 + ... + 95480782.

Almost surely, 2^{1002111210112} is an apocalyptic number.

It is an amenable number.

1002111210112 is an abundant number, since it is smaller than the sum of its proper divisors (1042974749588).

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

1002111210112 is an equidigital number, since it uses as much as digits as its factorization.

1002111210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190951124 (or 190951112 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1002111210112 its reverse (2110121112001), we get a palindrome (3112232322113).

The spelling of 1002111210112 in words is "one trillion, two billion, one hundred eleven million, two hundred ten thousand, one hundred twelve".