11221210211122 has 8 divisors (see below), whose sum is σ = 16831906010496. Its totient is φ = 5610574874292.

The previous prime is 11221210211077. The next prime is 11221210211137. The reversal of 11221210211122 is 22111201212211.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11221210211122.

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, 14648778 + ... + 15395749.

It is an arithmetic number, because the mean of its divisors is an integer number (2103988251312).

Almost surely, 2^{11221210211122} is an apocalyptic number.

11221210211122 is a deficient number, since it is larger than the sum of its proper divisors (5610695799374).

11221210211122 is a wasteful number, since it uses less digits than its factorization.

11221210211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30231272.

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

Adding to 11221210211122 its reverse (22111201212211), we get a palindrome (33332411423333).

The spelling of 11221210211122 in words is "eleven trillion, two hundred twenty-one billion, two hundred ten million, two hundred eleven thousand, one hundred twenty-two".