11121021020212 has 12 divisors (see below), whose sum is σ = 19654477744356. Its totient is φ = 5505455950400.

The previous prime is 11121021020201. The next prime is 11121021020233. The reversal of 11121021020212 is 21202012012111.

It can be written as a sum of positive squares in 2 ways, for example, as 5422173045136 + 5698847975076 = 2328556^2 + 2387226^2 .

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 13763639473 + ... + 13763640280.

It is an arithmetic number, because the mean of its divisors is an integer number (1637873145363).

Almost surely, 2^{11121021020212} is an apocalyptic number.

It is an amenable number.

11121021020212 is a deficient number, since it is larger than the sum of its proper divisors (8533456724144).

11121021020212 is a wasteful number, since it uses less digits than its factorization.

11121021020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27527279858 (or 27527279856 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11121021020212 its reverse (21202012012111), we get a palindrome (32323033032323).

The spelling of 11121021020212 in words is "eleven trillion, one hundred twenty-one billion, twenty-one million, twenty thousand, two hundred twelve".