1000201221112 has 16 divisors (see below), whose sum is σ = 1879831873800. Its totient is φ = 498912721440.

The previous prime is 1000201221083. The next prime is 1000201221119. The reversal of 1000201221112 is 2111221020001.

It is a junction number, because it is equal to n+sod(n) for n = 1000201221092 and 1000201221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000201221119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148482562 + ... + 148489297.

Almost surely, 2^{1000201221112} is an apocalyptic number.

It is an amenable number.

1000201221112 is a deficient number, since it is larger than the sum of its proper divisors (879630652688).

1000201221112 is a wasteful number, since it uses less digits than its factorization.

1000201221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296972286 (or 296972282 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1000201221112 its reverse (2111221020001), we get a palindrome (3111422241113).

The spelling of 1000201221112 in words is "one trillion, two hundred one million, two hundred twenty-one thousand, one hundred twelve".