11220221211122 has 64 divisors (see below), whose sum is σ = 21029972004864. Its totient is φ = 4361788491840.

The previous prime is 11220221211109. The next prime is 11220221211167. The reversal of 11220221211122 is 22111212202211.

It is a junction number, because it is equal to n+sod(n) for n = 11220221211094 and 11220221211103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666948803 + ... + 666965625.

It is an arithmetic number, because the mean of its divisors is an integer number (328593312576).

Almost surely, 2^{11220221211122} is an apocalyptic number.

11220221211122 is a deficient number, since it is larger than the sum of its proper divisors (9809750793742).

11220221211122 is a wasteful number, since it uses less digits than its factorization.

11220221211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26223.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11220221211122 its reverse (22111212202211), we get a palindrome (33331433413333).

The spelling of 11220221211122 in words is "eleven trillion, two hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty-two".