201222011101001 has 12 divisors (see below), whose sum is σ = 221206538090496. Its totient is φ = 182905426137720.

The previous prime is 201222011100997. The next prime is 201222011101003. The reversal of 201222011101001 is 100101110222102.

It is not a de Polignac number, because 201222011101001 - 2² = 201222011100997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201222011101003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106674185 + ... + 108544118.

It is an arithmetic number, because the mean of its divisors is an integer number (18433878174208).

Almost surely, 2^{201222011101001} is an apocalyptic number.

It is an amenable number.

201222011101001 is a deficient number, since it is larger than the sum of its proper divisors (19984526989495).

201222011101001 is a wasteful number, since it uses less digits than its factorization.

201222011101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215226052 (or 215226041 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201222011101001 its reverse (100101110222102), we get a palindrome (301323121323103).

The spelling of 201222011101001 in words is "two hundred one trillion, two hundred twenty-two billion, eleven million, one hundred one thousand, one".