222002022021001 has 4 divisors (see below), whose sum is σ = 224496426762900. Its totient is φ = 219507617279104.

The previous prime is 222002022020983. The next prime is 222002022021049. The reversal of 222002022021001 is 100120220200222.

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 129693354113401 + 92308667907600 = 11388299^2 + 9607740^2 .

It is a cyclic number.

It is not a de Polignac number, because 222002022021001 - 2⁵ = 222002022020969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222002022021061) 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, 1247202370816 + ... + 1247202370993.

It is an arithmetic number, because the mean of its divisors is an integer number (56124106690725).

Almost surely, 2^{222002022021001} is an apocalyptic number.

It is an amenable number.

222002022021001 is a deficient number, since it is larger than the sum of its proper divisors (2494404741899).

222002022021001 is an equidigital number, since it uses as much as digits as its factorization.

222002022021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494404741898.

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

Adding to 222002022021001 its reverse (100120220200222), we get a palindrome (322122242221223).

The spelling of 222002022021001 in words is "two hundred twenty-two trillion, two billion, twenty-two million, twenty-one thousand, one".