11221211210122 has 16 divisors (see below), whose sum is σ = 16858312061472. Its totient is φ = 5601774590640.

The previous prime is 11221211210093. The next prime is 11221211210147. The reversal of 11221211210122 is 22101211212211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11221211210122.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32702653 + ... + 33043999.

It is an arithmetic number, because the mean of its divisors is an integer number (1053644503842).

Almost surely, 2^{11221211210122} is an apocalyptic number.

11221211210122 is a deficient number, since it is larger than the sum of its proper divisors (5637100851350).

11221211210122 is a wasteful number, since it uses less digits than its factorization.

11221211210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367173.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11221211210122 its reverse (22101211212211), we get a palindrome (33322422422333).

The spelling of 11221211210122 in words is "eleven trillion, two hundred twenty-one billion, two hundred eleven million, two hundred ten thousand, one hundred twenty-two".