222110020220111 has 4 divisors (see below), whose sum is σ = 222142487705424. Its totient is φ = 222077552734800.

The previous prime is 222110020220107. The next prime is 222110020220177. The reversal of 222110020220111 is 111022020011222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222110020220111 - 2² = 222110020220107 is a prime.

It is a super-2 number, since 2×222110020220111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222110020220111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222110020220911) 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, 16233732395 + ... + 16233746076.

It is an arithmetic number, because the mean of its divisors is an integer number (55535621926356).

Almost surely, 2^{222110020220111} is an apocalyptic number.

222110020220111 is a deficient number, since it is larger than the sum of its proper divisors (32467485313).

222110020220111 is an equidigital number, since it uses as much as digits as its factorization.

222110020220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32467485312.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222110020220111 its reverse (111022020011222), we get a palindrome (333132040231333).

The spelling of 222110020220111 in words is "two hundred twenty-two trillion, one hundred ten billion, twenty million, two hundred twenty thousand, one hundred eleven".