1101220220012 has 48 divisors (see below), whose sum is σ = 2249256871680. Its totient is φ = 466435713600.

The previous prime is 1101220219991. The next prime is 1101220220027. The reversal of 1101220220012 is 2100220221011.

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 15 ways as a sum of consecutive naturals, for example, 10746128 + ... + 10848119.

It is an arithmetic number, because the mean of its divisors is an integer number (46859518160).

Almost surely, 2^{1101220220012} is an apocalyptic number.

It is an amenable number.

1101220220012 is an abundant number, since it is smaller than the sum of its proper divisors (1148036651668).

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

1101220220012 is a wasteful number, since it uses less digits than its factorization.

1101220220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21594342 (or 21594340 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1101220220012 its reverse (2100220221011), we get a palindrome (3201440441023).

Subtracting 1101220220012 from its reverse (2100220221011), we obtain a palindrome (999000000999).

The spelling of 1101220220012 in words is "one trillion, one hundred one billion, two hundred twenty million, two hundred twenty thousand, twelve".