1100331221022 has 40 divisors (see below), whose sum is σ = 2689698544632. Its totient is φ = 333433702800.

The previous prime is 1100331220999. The next prime is 1100331221053. The reversal of 1100331221022 is 2201221330011.

1100331221022 is a `hidden beast` number, since 1 + 100 + 331 + 2 + 210 + 22 = 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 = 1100331220986 and 1100331221004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 308733129 + ... + 308736692.

Almost surely, 2^{1100331221022} is an apocalyptic number.

1100331221022 is an abundant number, since it is smaller than the sum of its proper divisors (1589367323610).

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

1100331221022 is a wasteful number, since it uses less digits than its factorization.

1100331221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617469846 (or 617469837 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1100331221022 its reverse (2201221330011), we get a palindrome (3301552551033).

The spelling of 1100331221022 in words is "one trillion, one hundred billion, three hundred thirty-one million, two hundred twenty-one thousand, twenty-two".