211223323122099 has 8 divisors (see below), whose sum is σ = 287623248506880. Its totient is φ = 137819473242696.

The previous prime is 211223323122029. The next prime is 211223323122107. The reversal of 211223323122099 is 990221323322112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211223323122099 - 2³² = 211219028154803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211223323122099.

It is not an unprimeable number, because it can be changed into a prime (211223323122029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749018876179 + ... + 749018876460.

It is an arithmetic number, because the mean of its divisors is an integer number (35952906063360).

Almost surely, 2^{211223323122099} is an apocalyptic number.

211223323122099 is a deficient number, since it is larger than the sum of its proper divisors (76399925384781).

211223323122099 is a wasteful number, since it uses less digits than its factorization.

211223323122099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498037752689.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 211223323122099 in words is "two hundred eleven trillion, two hundred twenty-three billion, three hundred twenty-three million, one hundred twenty-two thousand, ninety-nine".