11001212211112 has 16 divisors (see below), whose sum is σ = 20627588047860. Its totient is φ = 5500522065024.

The previous prime is 11001212210987. The next prime is 11001212211161. The reversal of 11001212211112 is 21111221210011.

It can be written as a sum of positive squares in 2 ways, for example, as 10261553729956 + 739658481156 = 3203366^2 + 860034^2 .

It is a super-2 number, since 2×11001212211112² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 9946983 + ... + 10997494.

Almost surely, 2^{11001212211112} is an apocalyptic number.

It is an amenable number.

11001212211112 is a deficient number, since it is larger than the sum of its proper divisors (9626375836748).

11001212211112 is a wasteful number, since it uses less digits than its factorization.

11001212211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21010140 (or 21010136 counting only the distinct ones).

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

Adding to 11001212211112 its reverse (21111221210011), we get a palindrome (32112433421123).

The spelling of 11001212211112 in words is "eleven trillion, one billion, two hundred twelve million, two hundred eleven thousand, one hundred twelve".