222120110011 has 4 divisors (see below), whose sum is σ = 222411990024. Its totient is φ = 221828230000.

The previous prime is 222120109999. The next prime is 222120110021. The reversal of 222120110011 is 110011021222.

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 222120110011 - 2⁹ = 222120109499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222120109973 and 222120110000.

It is not an unprimeable number, because it can be changed into a prime (222120110021) 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, 145938865 + ... + 145940386.

It is an arithmetic number, because the mean of its divisors is an integer number (55602997506).

Almost surely, 2^222120110011 is an apocalyptic number.

222120110011 is a deficient number, since it is larger than the sum of its proper divisors (291880013).

222120110011 is an equidigital number, since it uses as much as digits as its factorization.

222120110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291880012.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222120110011 its reverse (110011021222), we get a palindrome (332131131233).

The spelling of 222120110011 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred ten thousand, eleven".