2221000002112 has 14 divisors (see below), whose sum is σ = 4407296879318. Its totient is φ = 1110500001024.

The previous prime is 2221000002103. The next prime is 2221000002157. The reversal of 2221000002112 is 2112000001222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1571853957696 + 649146044416 = 1253736^2 + 805696^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2221000002092 and 2221000002101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17351562453 + ... + 17351562580.

Almost surely, 2^{2221000002112} is an apocalyptic number.

It is an amenable number.

2221000002112 is a deficient number, since it is larger than the sum of its proper divisors (2186296877206).

2221000002112 is an equidigital number, since it uses as much as digits as its factorization.

2221000002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34703125045 (or 34703125035 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2221000002112 its reverse (2112000001222), we get a palindrome (4333000003334).

The spelling of 2221000002112 in words is "two trillion, two hundred twenty-one billion, two thousand, one hundred twelve".