211120989 has 8 divisors (see below), whose sum is σ = 296310240. Its totient is φ = 133339536.

The previous prime is 211120981. The next prime is 211120991. The reversal of 211120989 is 989021112.

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

It is not a de Polignac number, because 211120989 - 2³ = 211120981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120981) 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, 1851882 + ... + 1851995.

It is an arithmetic number, because the mean of its divisors is an integer number (37038780).

Almost surely, 2^211120989 is an apocalyptic number.

It is an amenable number.

211120989 is a deficient number, since it is larger than the sum of its proper divisors (85189251).

211120989 is a wasteful number, since it uses less digits than its factorization.

211120989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703899.

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 211120989 is about 14530.0030626287. The cubic root of 211120989 is about 595.4479492829.

The spelling of 211120989 in words is "two hundred eleven million, one hundred twenty thousand, nine hundred eighty-nine".