222222202220101 has 8 divisors (see below), whose sum is σ = 225945941974904. Its totient is φ = 218501067395520.

The previous prime is 222222202219987. The next prime is 222222202220119. The reversal of 222222202220101 is 101022202222222.

It can be written as a sum of positive squares in 4 ways, for example, as 1295567532900 + 220926634687201 = 1138230^2 + 14863601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222222202220101 - 2¹³ = 222222202211909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222202220401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651060510 + ... + 651401743.

It is an arithmetic number, because the mean of its divisors is an integer number (28243242746863).

Almost surely, 2^{222222202220101} is an apocalyptic number.

It is an amenable number.

222222202220101 is a deficient number, since it is larger than the sum of its proper divisors (3723739754803).

222222202220101 is a wasteful number, since it uses less digits than its factorization.

222222202220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302465111.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222222202220101 its reverse (101022202222222), we get a palindrome (323244404442323).

The spelling of 222222202220101 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred two million, two hundred twenty thousand, one hundred one".