11220122122 has 24 divisors (see below), whose sum is σ = 18617185188. Its totient is φ = 5067553920.

The previous prime is 11220122087. The next prime is 11220122143. The reversal of 11220122122 is 22122102211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11153683321 + 66438801 = 105611^2 + 8151^2 .

It is a super-2 number, since 2×11220122122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11220122096 and 11220122105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109663 + ... + 185650.

Almost surely, 2^11220122122 is an apocalyptic number.

11220122122 is a deficient number, since it is larger than the sum of its proper divisors (7397063066).

11220122122 is a wasteful number, since it uses less digits than its factorization.

11220122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295494 (or 295483 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11220122122 its reverse (22122102211), we get a palindrome (33342224333).

The spelling of 11220122122 in words is "eleven billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty-two".