11220110221122 has 48 divisors (see below), whose sum is σ = 26523550984320. Its totient is φ = 3399611546400.

The previous prime is 11220110221069. The next prime is 11220110221181. The reversal of 11220110221122 is 22112201102211.

11220110221122 is a `hidden beast` number, since 112 + 201 + 10 + 221 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11220110221095 and 11220110221104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1913754 + ... + 5109077.

It is an arithmetic number, because the mean of its divisors is an integer number (552573978840).

Almost surely, 2^{11220110221122} is an apocalyptic number.

11220110221122 is an abundant number, since it is smaller than the sum of its proper divisors (15303440763198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220110221122 is a wasteful number, since it uses less digits than its factorization.

11220110221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030919 (or 7030916 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11220110221122 its reverse (22112201102211), we get a palindrome (33332311323333).

It can be divided in two parts, 112201102211 and 22, that multiplied together give a palindrome (2468424248642).

The spelling of 11220110221122 in words is "eleven trillion, two hundred twenty billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty-two".