1111222220022 has 12 divisors (see below), whose sum is σ = 2407648143420. Its totient is φ = 370407406668.

The previous prime is 1111222220011. The next prime is 1111222220027. The reversal of 1111222220022 is 2200222221111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 61734567779 = 1111222220022 / (1 + 1 + 1 + 1 + 2 + 2 + 2 + 2 + 2 + 0 + 0 + 2 + 2).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1111222219977 and 1111222220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111222220027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30867283872 + ... + 30867283907.

It is an arithmetic number, because the mean of its divisors is an integer number (200637345285).

Almost surely, 2^{1111222220022} is an apocalyptic number.

1111222220022 is an abundant number, since it is smaller than the sum of its proper divisors (1296425923398).

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

1111222220022 is a wasteful number, since it uses less digits than its factorization.

1111222220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61734567787 (or 61734567784 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1111222220022 its reverse (2200222221111), we get a palindrome (3311444441133).

The spelling of 1111222220022 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, two hundred twenty thousand, twenty-two".