212122212101099 has 4 divisors (see below), whose sum is σ = 212129945066160. Its totient is φ = 212114479136040.

The previous prime is 212122212101087. The next prime is 212122212101119. The reversal of 212122212101099 is 990101212221212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212122212101099 - 2³² = 212117917133803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212122212101039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3866441384 + ... + 3866496245.

It is an arithmetic number, because the mean of its divisors is an integer number (53032486266540).

Almost surely, 2^{212122212101099} is an apocalyptic number.

212122212101099 is a deficient number, since it is larger than the sum of its proper divisors (7732965061).

212122212101099 is an equidigital number, since it uses as much as digits as its factorization.

212122212101099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7732965060.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 212122212101099 in words is "two hundred twelve trillion, one hundred twenty-two billion, two hundred twelve million, one hundred one thousand, ninety-nine".