222321110101 has 4 divisors (see below), whose sum is σ = 222747830604. Its totient is φ = 221894389600.

The previous prime is 222321110057. The next prime is 222321110119. The reversal of 222321110101 is 101011123222.

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 146696660100 + 75624450001 = 383010^2 + 274999^2 .

It is a cyclic number.

It is not a de Polignac number, because 222321110101 - 2⁷ = 222321109973 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 (222321110701) 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, 213359470 + ... + 213360511.

It is an arithmetic number, because the mean of its divisors is an integer number (55686957651).

Almost surely, 2^222321110101 is an apocalyptic number.

It is an amenable number.

222321110101 is a deficient number, since it is larger than the sum of its proper divisors (426720503).

222321110101 is an equidigital number, since it uses as much as digits as its factorization.

222321110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426720502.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 222321110101 its reverse (101011123222), we get a palindrome (323332233323).

The spelling of 222321110101 in words is "two hundred twenty-two billion, three hundred twenty-one million, one hundred ten thousand, one hundred one".