11102220312 has 16 divisors (see below), whose sum is σ = 27755550840. Its totient is φ = 3700740096.

The previous prime is 11102220293. The next prime is 11102220317. The reversal of 11102220312 is 21302220111.

It is a junction number, because it is equal to n+sod(n) for n = 11102220291 and 11102220300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102220317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231296233 + ... + 231296280.

Almost surely, 2^11102220312 is an apocalyptic number.

11102220312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11102220312 is an abundant number, since it is smaller than the sum of its proper divisors (16653330528).

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

11102220312 is a wasteful number, since it uses less digits than its factorization.

11102220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462592522 (or 462592518 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11102220312 its reverse (21302220111), we get a palindrome (32404440423).

The spelling of 11102220312 in words is "eleven billion, one hundred two million, two hundred twenty thousand, three hundred twelve".