1001122012011 has 8 divisors (see below), whose sum is σ = 1456177472064. Its totient is φ = 606740613320.

The previous prime is 1001122012001. The next prime is 1001122012019. The reversal of 1001122012011 is 1102102211001.

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 1001122012011 - 2¹¹ = 1001122009963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001122012019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15168515301 + ... + 15168515366.

It is an arithmetic number, because the mean of its divisors is an integer number (182022184008).

Almost surely, 2^{1001122012011} is an apocalyptic number.

1001122012011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001122012011 is a deficient number, since it is larger than the sum of its proper divisors (455055460053).

1001122012011 is a wasteful number, since it uses less digits than its factorization.

1001122012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30337030681.

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

Adding to 1001122012011 its reverse (1102102211001), we get a palindrome (2103224223012).

It can be divided in two parts, 10011 and 22012011, that added together give a palindrome (22022022).

The spelling of 1001122012011 in words is "one trillion, one billion, one hundred twenty-two million, twelve thousand, eleven".