1001121200211 has 16 divisors (see below), whose sum is σ = 1490040858240. Its totient is φ = 592629885120.

The previous prime is 1001121200207. The next prime is 1001121200257. The reversal of 1001121200211 is 1120021211001.

It is not a de Polignac number, because 1001121200211 - 2² = 1001121200207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001121200201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352754466 + ... + 352757303.

It is an arithmetic number, because the mean of its divisors is an integer number (93127553640).

Almost surely, 2^{1001121200211} is an apocalyptic number.

1001121200211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001121200211 is a deficient number, since it is larger than the sum of its proper divisors (488919658029).

1001121200211 is a wasteful number, since it uses less digits than its factorization.

1001121200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705511826.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1001121200211 its reverse (1120021211001), we get a palindrome (2121142411212).

The spelling of 1001121200211 in words is "one trillion, one billion, one hundred twenty-one million, two hundred thousand, two hundred eleven".