1101001222 has 4 divisors (see below), whose sum is σ = 1651501836. Its totient is φ = 550500610.

The previous prime is 1101001207. The next prime is 1101001241. The reversal of 1101001222 is 2221001011.

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

It is a junction number, because it is equal to n+sod(n) for n = 1101001199 and 1101001208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275250304 + ... + 275250307.

It is an arithmetic number, because the mean of its divisors is an integer number (412875459).

Almost surely, 2^1101001222 is an apocalyptic number.

1101001222 is a deficient number, since it is larger than the sum of its proper divisors (550500614).

1101001222 is an equidigital number, since it uses as much as digits as its factorization.

1101001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550500613.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1101001222 is about 33181.3384600441. The cubic root of 1101001222 is about 1032.5932148937.

Adding to 1101001222 its reverse (2221001011), we get a palindrome (3322002233).

The spelling of 1101001222 in words is "one billion, one hundred one million, one thousand, two hundred twenty-two".