2211001002001 has 16 divisors (see below), whose sum is σ = 2424745958400. Its totient is φ = 1999385395920.

The previous prime is 2211001001971. The next prime is 2211001002019. The reversal of 2211001002001 is 1002001001122.

It is not a de Polignac number, because 2211001002001 - 2⁷ = 2211001001873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211001002401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8503146 + ... + 8759308.

It is an arithmetic number, because the mean of its divisors is an integer number (151546622400).

Almost surely, 2^{2211001002001} is an apocalyptic number.

It is an amenable number.

2211001002001 is a deficient number, since it is larger than the sum of its proper divisors (213744956399).

2211001002001 is a wasteful number, since it uses less digits than its factorization.

2211001002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260316.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2211001002001 its reverse (1002001001122), we get a palindrome (3213002003123).

The spelling of 2211001002001 in words is "two trillion, two hundred eleven billion, one million, two thousand, one".