220222021001 has 4 divisors (see below), whose sum is σ = 223009641600. Its totient is φ = 217434400404.

The previous prime is 220222020983. The next prime is 220222021039. The reversal of 220222021001 is 100120222022.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100120222022 = 2 ⋅50060111011.

It is a cyclic number.

It is not a de Polignac number, because 220222021001 - 2⁶ = 220222020937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220222021051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393810181 + ... + 1393810338.

It is an arithmetic number, because the mean of its divisors is an integer number (55752410400).

Almost surely, 2^220222021001 is an apocalyptic number.

It is an amenable number.

220222021001 is a deficient number, since it is larger than the sum of its proper divisors (2787620599).

220222021001 is an equidigital number, since it uses as much as digits as its factorization.

220222021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787620598.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220222021001 its reverse (100120222022), we get a palindrome (320342243023).

The spelling of 220222021001 in words is "two hundred twenty billion, two hundred twenty-two million, twenty-one thousand, one".