1101101021212 has 24 divisors (see below), whose sum is σ = 2034931602816. Its totient is φ = 520268786928.

The previous prime is 1101101021171. The next prime is 1101101021221. The reversal of 1101101021212 is 2121201011011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1101101021192 and 1101101021201.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 72091698 + ... + 72106969.

It is an arithmetic number, because the mean of its divisors is an integer number (84788816784).

Almost surely, 2^{1101101021212} is an apocalyptic number.

It is an amenable number.

1101101021212 is a deficient number, since it is larger than the sum of its proper divisors (933830581604).

1101101021212 is a wasteful number, since it uses less digits than its factorization.

1101101021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144198777 (or 144198775 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1101101021212 its reverse (2121201011011), we get a palindrome (3222302032223).

The spelling of 1101101021212 in words is "one trillion, one hundred one billion, one hundred one million, twenty-one thousand, two hundred twelve".