2220201122221 has 16 divisors (see below), whose sum is σ = 2354972719680. Its totient is φ = 2085896216320.

The previous prime is 2220201122201. The next prime is 2220201122233. The reversal of 2220201122221 is 1222211020222.

It is a cyclic number.

It is not a de Polignac number, because 2220201122221 - 2¹³ = 2220201114029 is a prime.

It is a super-2 number, since 2×2220201122221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220201122201) 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, 22779090 + ... + 22876348.

It is an arithmetic number, because the mean of its divisors is an integer number (147185794980).

Almost surely, 2^{2220201122221} is an apocalyptic number.

It is an amenable number.

2220201122221 is a deficient number, since it is larger than the sum of its proper divisors (134771597459).

2220201122221 is a wasteful number, since it uses less digits than its factorization.

2220201122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99644.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2220201122221 its reverse (1222211020222), we get a palindrome (3442412142443).

The spelling of 2220201122221 in words is "two trillion, two hundred twenty billion, two hundred one million, one hundred twenty-two thousand, two hundred twenty-one".