1001121200011 has 8 divisors (see below), whose sum is σ = 1017548916848. Its totient is φ = 984693996000.

The previous prime is 1001121199999. The next prime is 1001121200041. The reversal of 1001121200011 is 1100021211001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001121200011 - 2¹¹ = 1001121197963 is a prime.

It is a super-2 number, since 2×1001121200011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001121200041) 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, 7499116 + ... + 7631446.

It is an arithmetic number, because the mean of its divisors is an integer number (127193614606).

Almost surely, 2^{1001121200011} is an apocalyptic number.

1001121200011 is a deficient number, since it is larger than the sum of its proper divisors (16427716837).

1001121200011 is a wasteful number, since it uses less digits than its factorization.

1001121200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256413.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1001121200011 its reverse (1100021211001), we get a palindrome (2101142411012).

The spelling of 1001121200011 in words is "one trillion, one billion, one hundred twenty-one million, two hundred thousand, eleven".