11011211100112 has 20 divisors (see below), whose sum is σ = 21334564070820. Its totient is φ = 5505517146368.

The previous prime is 11011211100107. The next prime is 11011211100157. The reversal of 11011211100112 is 21100111211011.

It can be written as a sum of positive squares in 2 ways, for example, as 1937597184576 + 9073613915536 = 1391976^2 + 3012244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11011211100092 and 11011211100101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4491787 + ... + 6496042.

It is an arithmetic number, because the mean of its divisors is an integer number (1066728203541).

Almost surely, 2^{11011211100112} is an apocalyptic number.

It is an amenable number.

11011211100112 is a deficient number, since it is larger than the sum of its proper divisors (10323352970708).

11011211100112 is a wasteful number, since it uses less digits than its factorization.

11011211100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050470 (or 11050464 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11011211100112 its reverse (21100111211011), we get a palindrome (32111322311123).

The spelling of 11011211100112 in words is "eleven trillion, eleven billion, two hundred eleven million, one hundred thousand, one hundred twelve".