11122101021212 has 24 divisors (see below), whose sum is σ = 19489623993840. Its totient is φ = 5553639181440.

The previous prime is 11122101021151. The next prime is 11122101021281. The reversal of 11122101021212 is 21212010122111.

It is a super-2 number, since 2×11122101021212² (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 7 ways as a sum of consecutive naturals, for example, 20613614 + ... + 21146282.

It is an arithmetic number, because the mean of its divisors is an integer number (812067666410).

Almost surely, 2^{11122101021212} is an apocalyptic number.

It is an amenable number.

11122101021212 is a deficient number, since it is larger than the sum of its proper divisors (8367522972628).

11122101021212 is a wasteful number, since it uses less digits than its factorization.

11122101021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539621 (or 539619 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11122101021212 its reverse (21212010122111), we get a palindrome (32334111143323).

The spelling of 11122101021212 in words is "eleven trillion, one hundred twenty-two billion, one hundred one million, twenty-one thousand, two hundred twelve".