100212210089 has 2 divisors, whose sum is σ = 100212210090. Its totient is φ = 100212210088.

The previous prime is 100212210067. The next prime is 100212210179. The reversal of 100212210089 is 980012212001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70349605225 + 29862604864 = 265235^2 + 172808^2 .

It is a cyclic number.

It is not a de Polignac number, because 100212210089 - 2²⁸ = 99943774633 is a prime.

It is not a weakly prime, because it can be changed into another prime (100212210019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106105044 + 50106105045.

It is an arithmetic number, because the mean of its divisors is an integer number (50106105045).

Almost surely, 2^100212210089 is an apocalyptic number.

It is an amenable number.

100212210089 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212210089 is an equidigital number, since it uses as much as digits as its factorization.

100212210089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 100212210089 in words is "one hundred billion, two hundred twelve million, two hundred ten thousand, eighty-nine".