11101001010012 has 48 divisors (see below), whose sum is σ = 28780992928800. Its totient is φ = 3700253963520.

The previous prime is 11101001009993. The next prime is 11101001010019. The reversal of 11101001010012 is 21001010010111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11101001009976 and 11101001010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101001010019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4040314 + ... + 6206942.

It is an arithmetic number, because the mean of its divisors is an integer number (599604019350).

Almost surely, 2^{11101001010012} is an apocalyptic number.

11101001010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11101001010012 is an abundant number, since it is smaller than the sum of its proper divisors (17679991918788).

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

11101001010012 is a wasteful number, since it uses less digits than its factorization.

11101001010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214083 (or 2214075 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11101001010012 its reverse (21001010010111), we get a palindrome (32102011020123).

Subtracting 11101001010012 from its reverse (21001010010111), we obtain a palindrome (9900009000099).

The spelling of 11101001010012 in words is "eleven trillion, one hundred one billion, one million, ten thousand, twelve".