1001001200211 has 12 divisors (see below), whose sum is σ = 1455100118992. Its totient is φ = 663083596656.

The previous prime is 1001001200209. The next prime is 1001001200249. The reversal of 1001001200211 is 1120021001001.

It is a happy number.

It is not a de Polignac number, because 1001001200211 - 2¹ = 1001001200209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001001200193 and 1001001200202.

It is not an unprimeable number, because it can be changed into a prime (1001001200711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354209911 + ... + 354212736.

Almost surely, 2^{1001001200211} is an apocalyptic number.

1001001200211 is a deficient number, since it is larger than the sum of its proper divisors (454098918781).

1001001200211 is a wasteful number, since it uses less digits than its factorization.

1001001200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708422810 (or 708422807 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001001200211 its reverse (1120021001001), we get a palindrome (2121022201212).

The spelling of 1001001200211 in words is "one trillion, one billion, one million, two hundred thousand, two hundred eleven".