1101021222012 has 24 divisors (see below), whose sum is σ = 2720170078416. Its totient is φ = 345418422528.

The previous prime is 1101021221849. The next prime is 1101021222047. The reversal of 1101021222012 is 2102221201011.

It is a junction number, because it is equal to n+sod(n) for n = 1101021221982 and 1101021222000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2698581223 + ... + 2698581630.

It is an arithmetic number, because the mean of its divisors is an integer number (113340419934).

Almost surely, 2^{1101021222012} is an apocalyptic number.

1101021222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101021222012 is an abundant number, since it is smaller than the sum of its proper divisors (1619148856404).

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

1101021222012 is a wasteful number, since it uses less digits than its factorization.

1101021222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397162877 (or 5397162875 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1101021222012 its reverse (2102221201011), we get a palindrome (3203242423023).

The spelling of 1101021222012 in words is "one trillion, one hundred one billion, twenty-one million, two hundred twenty-two thousand, twelve".