11213213011012 has 6 divisors (see below), whose sum is σ = 19623122769278. Its totient is φ = 5606606505504.

The previous prime is 11213213010973. The next prime is 11213213011043. The reversal of 11213213011012 is 21011031231211.

It can be written as a sum of positive squares in only one way, i.e., 7774918029316 + 3438294981696 = 2788354^2 + 1854264^2 .

It is a super-2 number, since 2×11213213011012² (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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401651626373 + ... + 1401651626380.

Almost surely, 2^{11213213011012} is an apocalyptic number.

It is an amenable number.

11213213011012 is a deficient number, since it is larger than the sum of its proper divisors (8409909758266).

11213213011012 is a wasteful number, since it uses less digits than its factorization.

11213213011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803303252757 (or 2803303252755 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11213213011012 its reverse (21011031231211), we get a palindrome (32224244242223).

The spelling of 11213213011012 in words is "eleven trillion, two hundred thirteen billion, two hundred thirteen million, eleven thousand, twelve".