100100212212089 has 2 divisors, whose sum is σ = 100100212212090. Its totient is φ = 100100212212088.

The previous prime is 100100212212061. The next prime is 100100212212107. The reversal of 100100212212089 is 980212212001001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98166977805625 + 1933234406464 = 9907925^2 + 1390408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100100212212089 is a prime.

It is not a weakly prime, because it can be changed into another prime (100100212215089) 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 as a sum of consecutive naturals, namely, 50050106106044 + 50050106106045.

It is an arithmetic number, because the mean of its divisors is an integer number (50050106106045).

Almost surely, 2^{100100212212089} is an apocalyptic number.

It is an amenable number.

100100212212089 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100212212089 is an equidigital number, since it uses as much as digits as its factorization.

100100212212089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 100100212212089 in words is "one hundred trillion, one hundred billion, two hundred twelve million, two hundred twelve thousand, eighty-nine".