211322101099 has 4 divisors (see below), whose sum is σ = 215818316064. Its totient is φ = 206825886136.

The previous prime is 211322101073. The next prime is 211322101117. The reversal of 211322101099 is 990101223112.

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 211322101099 - 2¹³ = 211322092907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211322101099.

It is not an unprimeable number, because it can be changed into a prime (211322101019) 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, 2248107412 + ... + 2248107505.

It is an arithmetic number, because the mean of its divisors is an integer number (53954579016).

Almost surely, 2^211322101099 is an apocalyptic number.

211322101099 is a deficient number, since it is larger than the sum of its proper divisors (4496214965).

211322101099 is an equidigital number, since it uses as much as digits as its factorization.

211322101099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496214964.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 211322101099 in words is "two hundred eleven billion, three hundred twenty-two million, one hundred one thousand, ninety-nine".