211100030 has 16 divisors (see below), whose sum is σ = 388065600. Its totient is φ = 82643232.

The previous prime is 211100027. The next prime is 211100041. The reversal of 211100030 is 30001112.

211100030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211099990 and 211100017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224105 + ... + 225044.

It is an arithmetic number, because the mean of its divisors is an integer number (24254100).

Almost surely, 2^211100030 is an apocalyptic number.

211100030 is a deficient number, since it is larger than the sum of its proper divisors (176965570).

211100030 is a wasteful number, since it uses less digits than its factorization.

211100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449203.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 211100030 is about 14529.2818129459. The cubic root of 211100030 is about 595.4282442997.

Adding to 211100030 its reverse (30001112), we get a palindrome (241101142).

The spelling of 211100030 in words is "two hundred eleven million, one hundred thousand, thirty".