211100100203223 has 40 divisors (see below), whose sum is σ = 393159974993280. Its totient is φ = 109662389712720.

The previous prime is 211100100203189. The next prime is 211100100203233. The reversal of 211100100203223 is 322302001001112.

211100100203223 is a `hidden beast` number, since 211 + 10 + 0 + 100 + 20 + 322 + 3 = 666.

It is not a de Polignac number, because 211100100203223 - 2²¹ = 211100098106071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211100100203196 and 211100100203205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211100100203233) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16923202053 + ... + 16923214526.

It is an arithmetic number, because the mean of its divisors is an integer number (9828999374832).

Almost surely, 2^{211100100203223} is an apocalyptic number.

211100100203223 is a deficient number, since it is larger than the sum of its proper divisors (182059874790057).

211100100203223 is a wasteful number, since it uses less digits than its factorization.

211100100203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33846416609 (or 33846416600 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211100100203223 its reverse (322302001001112), we get a palindrome (533402101204335).

The spelling of 211100100203223 in words is "two hundred eleven trillion, one hundred billion, one hundred million, two hundred three thousand, two hundred twenty-three".