2201211222001 has 16 divisors (see below), whose sum is σ = 2421325165248. Its totient is φ = 2000970359520.

The previous prime is 2201211221981. The next prime is 2201211222013. The reversal of 2201211222001 is 1002221121022.

It is a happy number.

It is not a de Polignac number, because 2201211222001 - 2⁴¹ = 2187966449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2201211222031) 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, 24521466 + ... + 24611068.

It is an arithmetic number, because the mean of its divisors is an integer number (151332822828).

Almost surely, 2^{2201211222001} is an apocalyptic number.

It is an amenable number.

2201211222001 is a deficient number, since it is larger than the sum of its proper divisors (220113943247).

2201211222001 is an equidigital number, since it uses as much as digits as its factorization.

2201211222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108093 (or 108071 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2201211222001 its reverse (1002221121022), we get a palindrome (3203432343023).

The spelling of 2201211222001 in words is "two trillion, two hundred one billion, two hundred eleven million, two hundred twenty-two thousand, one".