1102222222020 has 192 divisors, whose sum is σ = 3449663078400. Its totient is φ = 292169203200.

The previous prime is 1102222222009. The next prime is 1102222222051. The reversal of 1102222222020 is 202222222011.

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 = 1102222221984 and 1102222222002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136055970 + ... + 136064070.

It is an arithmetic number, because the mean of its divisors is an integer number (17966995200).

Almost surely, 2^{1102222222020} is an apocalyptic number.

1102222222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102222222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724831539200).

1102222222020 is an abundant number, since it is smaller than the sum of its proper divisors (2347440856380).

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

1102222222020 is a wasteful number, since it uses less digits than its factorization.

1102222222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9595 (or 9587 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1102222222020 its reverse (202222222011), we get a palindrome (1304444444031).

Subtracting from 1102222222020 its reverse (202222222011), we obtain a palindrome (900000000009).

The spelling of 1102222222020 in words is "one trillion, one hundred two billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty".