11222101212 has 48 divisors (see below), whose sum is σ = 31226721792. Its totient is φ = 3066909120.

The previous prime is 11222101207. The next prime is 11222101229. The reversal of 11222101212 is 21210122211.

It is a super-2 number, since 2×11222101212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11222101191 and 11222101200.

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 15 ways as a sum of consecutive naturals, for example, 2902339 + ... + 2906202.

It is an arithmetic number, because the mean of its divisors is an integer number (650556704).

Almost surely, 2^11222101212 is an apocalyptic number.

11222101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222101212 is an abundant number, since it is smaller than the sum of its proper divisors (20004620580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222101212 is a wasteful number, since it uses less digits than its factorization.

11222101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808578 (or 5808576 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11222101212 its reverse (21210122211), we get a palindrome (32432223423).

The spelling of 11222101212 in words is "eleven billion, two hundred twenty-two million, one hundred one thousand, two hundred twelve".