100212110421111 has 24 divisors (see below), whose sum is σ = 156332168501600. Its totient is φ = 61492289023296.

The previous prime is 100212110421089. The next prime is 100212110421113. The reversal of 100212110421111 is 111124011212001.

100212110421111 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 121 + 10 + 421 + 111 = 666.

It is not a de Polignac number, because 100212110421111 - 2¹¹ = 100212110419063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212110421113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1227056251 + ... + 1227137916.

Almost surely, 2^{100212110421111} is an apocalyptic number.

100212110421111 is a deficient number, since it is larger than the sum of its proper divisors (56120058080489).

100212110421111 is a wasteful number, since it uses less digits than its factorization.

100212110421111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454194535 (or 2454194532 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 100212110421111 its reverse (111124011212001), we get a palindrome (211336121633112).

The spelling of 100212110421111 in words is "one hundred trillion, two hundred twelve billion, one hundred ten million, four hundred twenty-one thousand, one hundred eleven".