11001001121212 has 12 divisors (see below), whose sum is σ = 19269761092120. Its totient is φ = 5495355094896.

The previous prime is 11001001121147. The next prime is 11001001121291. The reversal of 11001001121212 is 21212110010011.

It is a happy number.

It is a super-2 number, since 2×11001001121212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11001001121192 and 11001001121201.

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, 1286361618 + ... + 1286370169.

Almost surely, 2^{11001001121212} is an apocalyptic number.

It is an amenable number.

11001001121212 is a deficient number, since it is larger than the sum of its proper divisors (8268759970908).

11001001121212 is a wasteful number, since it uses less digits than its factorization.

11001001121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572732860 (or 2572732858 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11001001121212 its reverse (21212110010011), we get a palindrome (32213111131223).

It can be divided in two parts, 110010011 and 21212, that multiplied together give a palindrome (2333532353332).

The spelling of 11001001121212 in words is "eleven trillion, one billion, one million, one hundred twenty-one thousand, two hundred twelve".