211100112205 has 16 divisors (see below), whose sum is σ = 264102094080. Its totient is φ = 161840323008.

The previous prime is 211100112137. The next prime is 211100112217. The reversal of 211100112205 is 502211001112.

It is a cyclic number.

It is not a de Polignac number, because 211100112205 - 2²¹ = 211098015053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9251445 + ... + 9274234.

It is an arithmetic number, because the mean of its divisors is an integer number (16506380880).

Almost surely, 2^211100112205 is an apocalyptic number.

It is an amenable number.

211100112205 is a deficient number, since it is larger than the sum of its proper divisors (53001981875).

211100112205 is a wasteful number, since it uses less digits than its factorization.

211100112205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18525780.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 211100112205 its reverse (502211001112), we get a palindrome (713311113317).

The spelling of 211100112205 in words is "two hundred eleven billion, one hundred million, one hundred twelve thousand, two hundred five".