1101222404442 has 96 divisors (see below), whose sum is σ = 2534592453120. Its totient is φ = 344579287680.

The previous prime is 1101222404413. The next prime is 1101222404459. The reversal of 1101222404442 is 2444042221011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17114743 + ... + 17178965.

It is an arithmetic number, because the mean of its divisors is an integer number (26402004720).

Almost surely, 2^{1101222404442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101222404442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1267296226560).

1101222404442 is an abundant number, since it is smaller than the sum of its proper divisors (1433370048678).

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

1101222404442 is a wasteful number, since it uses less digits than its factorization.

1101222404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64708 (or 64705 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 1101222404442 its reverse (2444042221011), we get a palindrome (3545264625453).

The spelling of 1101222404442 in words is "one trillion, one hundred one billion, two hundred twenty-two million, four hundred four thousand, four hundred forty-two".