211161130 has 32 divisors (see below), whose sum is σ = 392926464. Its totient is φ = 81656256.

The previous prime is 211161073. The next prime is 211161163. The reversal of 211161130 is 31161112.

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, 36304 + ... + 41716.

It is an arithmetic number, because the mean of its divisors is an integer number (12278952).

Almost surely, 2^211161130 is an apocalyptic number.

211161130 is a deficient number, since it is larger than the sum of its proper divisors (181765334).

211161130 is a wasteful number, since it uses less digits than its factorization.

211161130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 211161130 is about 14531.3843112072. The cubic root of 211161130 is about 595.4856849300.

The spelling of 211161130 in words is "two hundred eleven million, one hundred sixty-one thousand, one hundred thirty".