211611000229 has 8 divisors (see below), whose sum is σ = 217233129600. Its totient is φ = 206035527936.

The previous prime is 211611000221. The next prime is 211611000239. The reversal of 211611000229 is 922000116112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 211611000229 - 2³ = 211611000221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211611000221) 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, 11655079 + ... + 11673220.

It is an arithmetic number, because the mean of its divisors is an integer number (27154141200).

Almost surely, 2^211611000229 is an apocalyptic number.

It is an amenable number.

211611000229 is a deficient number, since it is larger than the sum of its proper divisors (5622129371).

211611000229 is a wasteful number, since it uses less digits than its factorization.

211611000229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23328539.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 211611000229 in words is "two hundred eleven billion, six hundred eleven million, two hundred twenty-nine", and thus it is an aban number.