1101222221022 has 240 divisors, whose sum is σ = 3161794027392. Its totient is φ = 283252425120.

The previous prime is 1101222221009. The next prime is 1101222221059. The reversal of 1101222221022 is 2201222221011.

It is a happy number.

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 = 1101222220986 and 1101222221004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 8932533 + ... + 9054975.

Almost surely, 2^{1101222221022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101222221022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580897013696).

1101222221022 is an abundant number, since it is smaller than the sum of its proper divisors (2060571806370).

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

1101222221022 is a wasteful number, since it uses less digits than its factorization.

1101222221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122585 (or 122569 counting only the distinct ones).

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

Adding to 1101222221022 its reverse (2201222221011), we get a palindrome (3302444442033).

The spelling of 1101222221022 in words is "one trillion, one hundred one billion, two hundred twenty-two million, two hundred twenty-one thousand, twenty-two".