2201122001001 has 32 divisors (see below), whose sum is σ = 3659172535296. Its totient is φ = 1143388584000.

The previous prime is 2201122000997. The next prime is 2201122001003. The reversal of 2201122001001 is 1001002211022.

It is not a de Polignac number, because 2201122001001 - 2² = 2201122000997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2201122001003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5233191 + ... + 5638131.

It is an arithmetic number, because the mean of its divisors is an integer number (114349141728).

Almost surely, 2^{2201122001001} is an apocalyptic number.

2201122001001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2201122001001 is a deficient number, since it is larger than the sum of its proper divisors (1458050534295).

2201122001001 is a wasteful number, since it uses less digits than its factorization.

2201122001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428493.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2201122001001 its reverse (1001002211022), we get a palindrome (3202124212023).

The spelling of 2201122001001 in words is "two trillion, two hundred one billion, one hundred twenty-two million, one thousand, one".