211116983 has 8 divisors (see below), whose sum is σ = 263210880. Its totient is φ = 164506680.

The previous prime is 211116973. The next prime is 211116991. The reversal of 211116983 is 389611112.

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 211116983 - 2¹⁰ = 211115959 is a prime.

It is a super-2 number, since 2×211116983² = 89140761022044578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211116973) 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, 1370813 + ... + 1370966.

It is an arithmetic number, because the mean of its divisors is an integer number (32901360).

Almost surely, 2^211116983 is an apocalyptic number.

211116983 is a deficient number, since it is larger than the sum of its proper divisors (52093897).

211116983 is a wasteful number, since it uses less digits than its factorization.

211116983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741797.

The product of its digits is 2592, while the sum is 32.

The square root of 211116983 is about 14529.8652092853. The cubic root of 211116983 is about 595.4441830703. Note that the first 3 decimals are identical.

The spelling of 211116983 in words is "two hundred eleven million, one hundred sixteen thousand, nine hundred eighty-three".