2220001222201 has 4 divisors (see below), whose sum is σ = 2537144253952. Its totient is φ = 1902858190452.

The previous prime is 2220001222177. The next prime is 2220001222253. The reversal of 2220001222201 is 1022221000222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2220001222201 - 2⁹ = 2220001221689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220001222291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158571515865 + ... + 158571515878.

It is an arithmetic number, because the mean of its divisors is an integer number (634286063488).

Almost surely, 2^{2220001222201} is an apocalyptic number.

It is an amenable number.

2220001222201 is a deficient number, since it is larger than the sum of its proper divisors (317143031751).

2220001222201 is an equidigital number, since it uses as much as digits as its factorization.

2220001222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317143031750.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2220001222201 its reverse (1022221000222), we get a palindrome (3242222222423).

The spelling of 2220001222201 in words is "two trillion, two hundred twenty billion, one million, two hundred twenty-two thousand, two hundred one".