100212012222111 has 48 divisors (see below), whose sum is σ = 152621960085504. Its totient is φ = 63235973002752.

The previous prime is 100212012222097. The next prime is 100212012222139. The reversal of 100212012222111 is 111222210212001.

100212012222111 is a `hidden beast` number, since 10 + 0 + 21 + 201 + 222 + 211 + 1 = 666.

It is not a de Polignac number, because 100212012222111 - 2¹⁵ = 100212012189343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212012222181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149998170 + ... + 150664776.

It is an arithmetic number, because the mean of its divisors is an integer number (3179624168448).

Almost surely, 2^{100212012222111} is an apocalyptic number.

100212012222111 is a deficient number, since it is larger than the sum of its proper divisors (52409947863393).

100212012222111 is a wasteful number, since it uses less digits than its factorization.

100212012222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674220 (or 674217 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100212012222111 its reverse (111222210212001), we get a palindrome (211434222434112).

The spelling of 100212012222111 in words is "one hundred trillion, two hundred twelve billion, twelve million, two hundred twenty-two thousand, one hundred eleven".