220211222001 has 16 divisors (see below), whose sum is σ = 300884124096. Its totient is φ = 143204924096.

The previous prime is 220211221969. The next prime is 220211222027. The reversal of 220211222001 is 100222112022.

It is a cyclic number.

It is not a de Polignac number, because 220211222001 - 2⁵ = 220211221969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220211222051) 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, 3975315 + ... + 4030328.

It is an arithmetic number, because the mean of its divisors is an integer number (18805257756).

Almost surely, 2^220211222001 is an apocalyptic number.

It is an amenable number.

220211222001 is a deficient number, since it is larger than the sum of its proper divisors (80672902095).

220211222001 is a wasteful number, since it uses less digits than its factorization.

220211222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005872.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220211222001 its reverse (100222112022), we get a palindrome (320433334023).

The spelling of 220211222001 in words is "two hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, one".