11022221112 has 48 divisors (see below), whose sum is σ = 32054421960. Its totient is φ = 3149205696.

The previous prime is 11022221087. The next prime is 11022221137. The reversal of 11022221112 is 21112222011.

It is an interprime number because it is at equal distance from previous prime (11022221087) and next prime (11022221137).

It is a junction number, because it is equal to n+sod(n) for n = 11022221091 and 11022221100.

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 11 ways as a sum of consecutive naturals, for example, 4685143 + ... + 4687494.

Almost surely, 2^11022221112 is an apocalyptic number.

11022221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11022221112 is an abundant number, since it is smaller than the sum of its proper divisors (21032200848).

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

11022221112 is a wasteful number, since it uses less digits than its factorization.

11022221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372660 (or 9372649 counting only the distinct ones).

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

Adding to 11022221112 its reverse (21112222011), we get a palindrome (32134443123).

The spelling of 11022221112 in words is "eleven billion, twenty-two million, two hundred twenty-one thousand, one hundred twelve".