2011022002001 has 8 divisors (see below), whose sum is σ = 2035336282560. Its totient is φ = 1986709747792.

The previous prime is 2011022001949. The next prime is 2011022002039. The reversal of 2011022002001 is 1002002201102.

It is a happy number.

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 2011022002001 - 2²² = 2011017807697 is a prime.

It is a super-2 number, since 2×2011022002001² (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 (2011022202001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539956 + ... + 2528538.

It is an arithmetic number, because the mean of its divisors is an integer number (254417035320).

Almost surely, 2^{2011022002001} is an apocalyptic number.

It is an amenable number.

2011022002001 is a deficient number, since it is larger than the sum of its proper divisors (24314280559).

2011022002001 is an equidigital number, since it uses as much as digits as its factorization.

2011022002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013175.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2011022002001 its reverse (1002002201102), we get a palindrome (3013024203103).

The spelling of 2011022002001 in words is "two trillion, eleven billion, twenty-two million, two thousand, one".