222202020211001 has 4 divisors (see below), whose sum is σ = 227621581679604. Its totient is φ = 216782458742400.

The previous prime is 222202020210997. The next prime is 222202020211009. The reversal of 222202020211001 is 100112020202222.

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 120715839029776 + 101486181181225 = 10987076^2 + 10074035^2 .

It is a cyclic number.

It is not a de Polignac number, because 222202020211001 - 2² = 222202020210997 is a prime.

It is a super-2 number, since 2×222202020211001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222202020211009) 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, 2709780734240 + ... + 2709780734321.

It is an arithmetic number, because the mean of its divisors is an integer number (56905395419901).

Almost surely, 2^{222202020211001} is an apocalyptic number.

It is an amenable number.

222202020211001 is a deficient number, since it is larger than the sum of its proper divisors (5419561468603).

222202020211001 is an equidigital number, since it uses as much as digits as its factorization.

222202020211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419561468602.

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

Adding to 222202020211001 its reverse (100112020202222), we get a palindrome (322314040413223).

The spelling of 222202020211001 in words is "two hundred twenty-two trillion, two hundred two billion, twenty million, two hundred eleven thousand, one".