211200202210123 has 8 divisors (see below), whose sum is σ = 241372331502848. Its totient is φ = 181028240875944.

The previous prime is 211200202210111. The next prime is 211200202210163. The reversal of 211200202210123 is 321012202002112.

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

It is not a de Polignac number, because 211200202210123 - 2²¹ = 211200200112971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211200202210123.

It is not an unprimeable number, because it can be changed into a prime (211200202210163) 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, 39283461 + ... + 44334982.

It is an arithmetic number, because the mean of its divisors is an integer number (30171541437856).

Almost surely, 2^{211200202210123} is an apocalyptic number.

211200202210123 is a deficient number, since it is larger than the sum of its proper divisors (30172129292725).

211200202210123 is an equidigital number, since it uses as much as digits as its factorization.

211200202210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83979273.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211200202210123 its reverse (321012202002112), we get a palindrome (532212404212235).

The spelling of 211200202210123 in words is "two hundred eleven trillion, two hundred billion, two hundred two million, two hundred ten thousand, one hundred twenty-three".