1211041222 has 8 divisors (see below), whose sum is σ = 1816879176. Its totient is φ = 605414832.

The previous prime is 1211041213. The next prime is 1211041259. The reversal of 1211041222 is 2221401121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1211041196 and 1211041205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37708 + ... + 61999.

It is an arithmetic number, because the mean of its divisors is an integer number (227109897).

Almost surely, 2^1211041222 is an apocalyptic number.

1211041222 is a deficient number, since it is larger than the sum of its proper divisors (605837954).

1211041222 is an equidigital number, since it uses as much as digits as its factorization.

1211041222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105782.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1211041222 is about 34800.0175574668. The cubic root of 1211041222 is about 1065.9078043670.

Adding to 1211041222 its reverse (2221401121), we get a palindrome (3432442343).

The spelling of 1211041222 in words is "one billion, two hundred eleven million, forty-one thousand, two hundred twenty-two".