11021212001012 has 12 divisors (see below), whose sum is σ = 19503830227140. Its totient is φ = 5448689078976.

The previous prime is 11021212000933. The next prime is 11021212001123. The reversal of 11021212001012 is 21010021212011.

It can be written as a sum of positive squares in 2 ways, for example, as 7233657686116 + 3787554314896 = 2689546^2 + 1946164^2 .

It is a super-2 number, since 2×11021212001012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 15479229983 + ... + 15479230694.

It is an arithmetic number, because the mean of its divisors is an integer number (1625319185595).

Almost surely, 2^{11021212001012} is an apocalyptic number.

It is an amenable number.

11021212001012 is a deficient number, since it is larger than the sum of its proper divisors (8482618226128).

11021212001012 is a wasteful number, since it uses less digits than its factorization.

11021212001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30958460770 (or 30958460768 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11021212001012 its reverse (21010021212011), we get a palindrome (32031233213023).

The spelling of 11021212001012 in words is "eleven trillion, twenty-one billion, two hundred twelve million, one thousand, twelve".