222110021011 has 4 divisors (see below), whose sum is σ = 222110977392. Its totient is φ = 222109064632.

The previous prime is 222110020999. The next prime is 222110021027. The reversal of 222110021011 is 110120011222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222110021011 is a prime.

It is a super-2 number, since 2×222110021011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222110020982 and 222110021000.

It is not an unprimeable number, because it can be changed into a prime (222110021411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117645 + ... + 676801.

It is an arithmetic number, because the mean of its divisors is an integer number (55527744348).

Almost surely, 2^222110021011 is an apocalyptic number.

222110021011 is a deficient number, since it is larger than the sum of its proper divisors (956381).

222110021011 is an equidigital number, since it uses as much as digits as its factorization.

222110021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956380.

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

Adding to 222110021011 its reverse (110120011222), we get a palindrome (332230032233).

The spelling of 222110021011 in words is "two hundred twenty-two billion, one hundred ten million, twenty-one thousand, eleven".