212222103100 has 36 divisors (see below), whose sum is σ = 526310817424. Its totient is φ = 72761863680.

The previous prime is 212222103089. The next prime is 212222103109. The reversal of 212222103100 is 1301222212.

It is a happy number.

212222103100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212222103100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222103109) by changing a digit.

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, 151586517 + ... + 151587916.

Almost surely, 2^212222103100 is an apocalyptic number.

212222103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222103100 is an abundant number, since it is smaller than the sum of its proper divisors (314088714324).

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

212222103100 is a wasteful number, since it uses less digits than its factorization.

212222103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303174454 (or 303174447 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212222103100 its reverse (1301222212), we get a palindrome (213523325312).

The spelling of 212222103100 in words is "two hundred twelve billion, two hundred twenty-two million, one hundred three thousand, one hundred".