11212011121112 has 16 divisors (see below), whose sum is σ = 21226622997840. Its totient is φ = 5551578321696.

The previous prime is 11212011121109. The next prime is 11212011121189. The reversal of 11212011121112 is 21112111021211.

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, 6803403983 + ... + 6803405630.

It is an arithmetic number, because the mean of its divisors is an integer number (1326663937365).

Almost surely, 2^{11212011121112} is an apocalyptic number.

It is an amenable number.

11212011121112 is a deficient number, since it is larger than the sum of its proper divisors (10014611876728).

11212011121112 is a wasteful number, since it uses less digits than its factorization.

11212011121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13606809722 (or 13606809718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11212011121112 its reverse (21112111021211), we get a palindrome (32324122142323).

Subtracting 11212011121112 from its reverse (21112111021211), we obtain a palindrome (9900099900099).

The spelling of 11212011121112 in words is "eleven trillion, two hundred twelve billion, eleven million, one hundred twenty-one thousand, one hundred twelve".