1211040304222 has 8 divisors (see below), whose sum is σ = 2076069092976. Its totient is φ = 519017273232.

The previous prime is 1211040304219. The next prime is 1211040304259. The reversal of 1211040304222 is 2224030401121.

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

It is a super-2 number, since 2×1211040304222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211040304193 and 1211040304202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43251439423 + ... + 43251439450.

It is an arithmetic number, because the mean of its divisors is an integer number (259508636622).

Almost surely, 2^{1211040304222} is an apocalyptic number.

1211040304222 is a deficient number, since it is larger than the sum of its proper divisors (865028788754).

1211040304222 is an equidigital number, since it uses as much as digits as its factorization.

1211040304222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86502878882.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1211040304222 its reverse (2224030401121), we get a palindrome (3435070705343).

The spelling of 1211040304222 in words is "one trillion, two hundred eleven billion, forty million, three hundred four thousand, two hundred twenty-two".