1222122202011 has 12 divisors (see below), whose sum is σ = 1771569791160. Its totient is φ = 811848673440.

The previous prime is 1222122201967. The next prime is 1222122202019. The reversal of 1222122202011 is 1102022212221.

It is a happy number.

It is not a de Polignac number, because 1222122202011 - 2¹³ = 1222122193819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222122202019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241619101 + ... + 241624158.

It is an arithmetic number, because the mean of its divisors is an integer number (147630815930).

Almost surely, 2^{1222122202011} is an apocalyptic number.

1222122202011 is a deficient number, since it is larger than the sum of its proper divisors (549447589149).

1222122202011 is a wasteful number, since it uses less digits than its factorization.

1222122202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483243546 (or 483243543 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1222122202011 its reverse (1102022212221), we get a palindrome (2324144414232).

The spelling of 1222122202011 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred two thousand, eleven".