11122100212 has 12 divisors (see below), whose sum is σ = 19467636580. Its totient is φ = 5559918336.

The previous prime is 11122100189. The next prime is 11122100233. The reversal of 11122100212 is 21200122111.

It can be written as a sum of positive squares in 2 ways, for example, as 9079421796 + 2042678416 = 95286^2 + 45196^2 .

It is a super-2 number, since 2×11122100212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11122100192 and 11122100201.

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, 260637 + ... + 300292.

Almost surely, 2^11122100212 is an apocalyptic number.

It is an amenable number.

11122100212 is a deficient number, since it is larger than the sum of its proper divisors (8345536368).

11122100212 is a wasteful number, since it uses less digits than its factorization.

11122100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565890 (or 565888 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11122100212 its reverse (21200122111), we get a palindrome (32322222323).

The spelling of 11122100212 in words is "eleven billion, one hundred twenty-two million, one hundred thousand, two hundred twelve".