222111120101 has 8 divisors (see below), whose sum is σ = 241564875384. Its totient is φ = 202995691200.

The previous prime is 222111120097. The next prime is 222111120109. The reversal of 222111120101 is 101021111222.

It can be written as a sum of positive squares in 4 ways, for example, as 31708924900 + 190402195201 = 178070^2 + 436351^2 .

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 222111120101 - 2² = 222111120097 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 (222111120109) 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, 84580226 + ... + 84582851.

It is an arithmetic number, because the mean of its divisors is an integer number (30195609423).

Almost surely, 2^222111120101 is an apocalyptic number.

It is an amenable number.

222111120101 is a deficient number, since it is larger than the sum of its proper divisors (19453755283).

222111120101 is a wasteful number, since it uses less digits than its factorization.

222111120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169163191.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 222111120101 its reverse (101021111222), we get a palindrome (323132231323).

The spelling of 222111120101 in words is "two hundred twenty-two billion, one hundred eleven million, one hundred twenty thousand, one hundred one".