222110111101 has 8 divisors (see below), whose sum is σ = 235213327224. Its totient is φ = 209011107840.

The previous prime is 222110111071. The next prime is 222110111123. The reversal of 222110111101 is 101111011222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45183879225 + 176926231876 = 212565^2 + 420626^2 .

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 222110111101 - 2³⁷ = 84671157629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222110111801) 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, 944340 + ... + 1155853.

It is an arithmetic number, because the mean of its divisors is an integer number (29401665903).

Almost surely, 2^222110111101 is an apocalyptic number.

It is an amenable number.

222110111101 is a deficient number, since it is larger than the sum of its proper divisors (13103216123).

222110111101 is a wasteful number, since it uses less digits than its factorization.

222110111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106431.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 222110111101 its reverse (101111011222), we get a palindrome (323221122323).

The spelling of 222110111101 in words is "two hundred twenty-two billion, one hundred ten million, one hundred eleven thousand, one hundred one".