1222531300211 has 12 divisors (see below), whose sum is σ = 1325259384480. Its totient is φ = 1127251550880.

The previous prime is 1222531300163. The next prime is 1222531300223. The reversal of 1222531300211 is 1120031352221.

It is a de Polignac number, because none of the positive numbers 2^k-1222531300211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222531305211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3816356 + ... + 4124273.

It is an arithmetic number, because the mean of its divisors is an integer number (110438282040).

Almost surely, 2^{1222531300211} is an apocalyptic number.

1222531300211 is a deficient number, since it is larger than the sum of its proper divisors (102728084269).

1222531300211 is an equidigital number, since it uses as much as digits as its factorization.

1222531300211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7941566 (or 7941553 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 1222531300211 its reverse (1120031352221), we get a palindrome (2342562652432).

The spelling of 1222531300211 in words is "one trillion, two hundred twenty-two billion, five hundred thirty-one million, three hundred thousand, two hundred eleven".