2212103100 has 72 divisors (see below), whose sum is σ = 6406395520. Its totient is φ = 589337280.

The previous prime is 2212103083. The next prime is 2212103119. The reversal of 2212103100 is 13012122.

It is a super-2 number, since 2×2212103100² = 9786800250059220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 388071 + ... + 393729.

Almost surely, 2^2212103100 is an apocalyptic number.

2212103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212103100 is an abundant number, since it is smaller than the sum of its proper divisors (4194292420).

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

2212103100 is a wasteful number, since it uses less digits than its factorization.

2212103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979 (or 6972 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2212103100 is about 47033.0001169392. Note that the first 3 decimals coincide. The cubic root of 2212103100 is about 1302.9721150338.

Adding to 2212103100 its reverse (13012122), we get a palindrome (2225115222).

The spelling of 2212103100 in words is "two billion, two hundred twelve million, one hundred three thousand, one hundred".