1121222211202 has 16 divisors (see below), whose sum is σ = 1684688366592. Its totient is φ = 559659544560.

The previous prime is 1121222211199. The next prime is 1121222211217. The reversal of 1121222211202 is 2021122221211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121222211202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36233677 + ... + 36264607.

It is an arithmetic number, because the mean of its divisors is an integer number (105293022912).

Almost surely, 2^{1121222211202} is an apocalyptic number.

1121222211202 is a deficient number, since it is larger than the sum of its proper divisors (563466155390).

1121222211202 is a wasteful number, since it uses less digits than its factorization.

1121222211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61113.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1121222211202 its reverse (2021122221211), we get a palindrome (3142344432413).

The spelling of 1121222211202 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred eleven thousand, two hundred two".