100212212103 has 16 divisors (see below), whose sum is σ = 134261723520. Its totient is φ = 66486008736.

The previous prime is 100212212083. The next prime is 100212212131. The reversal of 100212212103 is 301212212001.

It is not a de Polignac number, because 100212212103 - 2²¹ = 100210114951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212212173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614328 + ... + 760146.

It is an arithmetic number, because the mean of its divisors is an integer number (8391357720).

Almost surely, 2^100212212103 is an apocalyptic number.

100212212103 is a deficient number, since it is larger than the sum of its proper divisors (34049511417).

100212212103 is a wasteful number, since it uses less digits than its factorization.

100212212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146926.

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

Adding to 100212212103 its reverse (301212212001), we get a palindrome (401424424104).

The spelling of 100212212103 in words is "one hundred billion, two hundred twelve million, two hundred twelve thousand, one hundred three".