222323021101 has 4 divisors (see below), whose sum is σ = 225368542012. Its totient is φ = 219277500192.

The previous prime is 222323021093. The next prime is 222323021113. The reversal of 222323021101 is 101120323222.

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 133498159876 + 88824861225 = 365374^2 + 298035^2 .

It is a cyclic number.

It is not a de Polignac number, because 222323021101 - 2³ = 222323021093 is a prime.

It is a super-2 number, since 2×222323021101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222323025101) 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, 1522760346 + ... + 1522760491.

It is an arithmetic number, because the mean of its divisors is an integer number (56342135503).

Almost surely, 2^222323021101 is an apocalyptic number.

It is an amenable number.

222323021101 is a deficient number, since it is larger than the sum of its proper divisors (3045520911).

222323021101 is an equidigital number, since it uses as much as digits as its factorization.

222323021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045520910.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222323021101 its reverse (101120323222), we get a palindrome (323443344323).

The spelling of 222323021101 in words is "two hundred twenty-two billion, three hundred twenty-three million, twenty-one thousand, one hundred one".