1100020021112 has 8 divisors (see below), whose sum is σ = 2062537539600. Its totient is φ = 550010010552.

The previous prime is 1100020021073. The next prime is 1100020021127. The reversal of 1100020021112 is 2111200200011.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1100020021093 and 1100020021102.

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 as a sum of consecutive naturals, namely, 68751251312 + ... + 68751251327.

It is an arithmetic number, because the mean of its divisors is an integer number (257817192450).

Almost surely, 2^{1100020021112} is an apocalyptic number.

It is an amenable number.

1100020021112 is a deficient number, since it is larger than the sum of its proper divisors (962517518488).

1100020021112 is a wasteful number, since it uses less digits than its factorization.

1100020021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137502502645 (or 137502502641 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1100020021112 its reverse (2111200200011), we get a palindrome (3211220221123).

The spelling of 1100020021112 in words is "one trillion, one hundred billion, twenty million, twenty-one thousand, one hundred twelve".