1001200010111 has 8 divisors (see below), whose sum is σ = 1161306622080. Its totient is φ = 845362907928.

The previous prime is 1001200010077. The next prime is 1001200010119. The reversal of 1001200010111 is 1110100021001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1001200010111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001200010119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067376941 + ... + 1067377878.

It is an arithmetic number, because the mean of its divisors is an integer number (145163327760).

Almost surely, 2^{1001200010111} is an apocalyptic number.

1001200010111 is a deficient number, since it is larger than the sum of its proper divisors (160106611969).

1001200010111 is an equidigital number, since it uses as much as digits as its factorization.

1001200010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134754893.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1001200010111 its reverse (1110100021001), we get a palindrome (2111300031112).

The spelling of 1001200010111 in words is "one trillion, one billion, two hundred million, ten thousand, one hundred eleven".