2011222211001 has 16 divisors (see below), whose sum is σ = 2823055176000. Its totient is φ = 1270116384768.

The previous prime is 2011222210997. The next prime is 2011222211023. The reversal of 2011222211001 is 1001122221102.

It is not a de Polignac number, because 2011222211001 - 2² = 2011222210997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011222211081) 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 15 ways as a sum of consecutive naturals, for example, 1227976 + ... + 2351673.

It is an arithmetic number, because the mean of its divisors is an integer number (176440948500).

Almost surely, 2^{2011222211001} is an apocalyptic number.

It is an amenable number.

2011222211001 is a deficient number, since it is larger than the sum of its proper divisors (811832964999).

2011222211001 is a wasteful number, since it uses less digits than its factorization.

2011222211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589528.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2011222211001 its reverse (1001122221102), we get a palindrome (3012344432103).

The spelling of 2011222211001 in words is "two trillion, eleven billion, two hundred twenty-two million, two hundred eleven thousand, one".