222321021101 has 4 divisors (see below), whose sum is σ = 223106608032. Its totient is φ = 221535434172.

The previous prime is 222321021079. The next prime is 222321021113. The reversal of 222321021101 is 101120123222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222321021101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222321021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222321021191) 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, 392793041 + ... + 392793606.

It is an arithmetic number, because the mean of its divisors is an integer number (55776652008).

Almost surely, 2^222321021101 is an apocalyptic number.

It is an amenable number.

222321021101 is a deficient number, since it is larger than the sum of its proper divisors (785586931).

222321021101 is an equidigital number, since it uses as much as digits as its factorization.

222321021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785586930.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222321021101 its reverse (101120123222), we get a palindrome (323441144323).

The spelling of 222321021101 in words is "two hundred twenty-two billion, three hundred twenty-one million, twenty-one thousand, one hundred one".