211011064 has 16 divisors (see below), whose sum is σ = 431613720. Its totient is φ = 95914080.

The previous prime is 211011011. The next prime is 211011071. The reversal of 211011064 is 460110112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198839 + ... + 1199014.

Almost surely, 2^211011064 is an apocalyptic number.

It is an amenable number.

211011064 is an abundant number, since it is smaller than the sum of its proper divisors (220602656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211011064 is a wasteful number, since it uses less digits than its factorization.

211011064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397870 (or 2397866 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 211011064 is about 14526.2198799275. The cubic root of 211011064 is about 595.3445867835.

Adding to 211011064 its reverse (460110112), we get a palindrome (671121176).

The spelling of 211011064 in words is "two hundred eleven million, eleven thousand, sixty-four".