220220212210001 has 4 divisors (see below), whose sum is σ = 220220310350772. Its totient is φ = 220220114069232.

The previous prime is 220220212209947. The next prime is 220220212210007. The reversal of 220220212210001 is 100012212022022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51657353163025 + 168562859046976 = 7187305^2 + 12983176^2 .

It is a cyclic number.

It is not a de Polignac number, because 220220212210001 - 2⁶ = 220220212209937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220220212210007) 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, 45623810 + ... + 50219243.

It is an arithmetic number, because the mean of its divisors is an integer number (55055077587693).

Almost surely, 2^{220220212210001} is an apocalyptic number.

It is an amenable number.

220220212210001 is a deficient number, since it is larger than the sum of its proper divisors (98140771).

220220212210001 is an equidigital number, since it uses as much as digits as its factorization.

220220212210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98140770.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220220212210001 its reverse (100012212022022), we get a palindrome (320232424232023).

The spelling of 220220212210001 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred twelve million, two hundred ten thousand, one".